Nokia N91: How to Perform a Hard reset.

I accept no responsibility for use of this code. It is undocumented, not supported by Nokia or Symbian and should be used at your own risk.

The soft-format code for Series 60 phones is *#7370# . You enter this code as you would enter a phone number in the Phone application. It performs a format of the Internal drive – All data will be lost if you use this feature.

Series 60 reset

 

 

 

 

The method of performing a hard-format, i.e resetting it completely to factory defaults and removing all data, is as follows:

 

  1. Switch off the phone.
  2. Hold down the following three buttons: Green (call answer) button, * button, and ‘3’ button
  3. While holding these buttons, press the power button and switch on the phone
  4. When the message ‘Formatting’ appears on the screen, release all of the buttons

Note that you shouldn’t switch the phone off or remove the battery when performing either of these operations, and it’s advised that the handset has a reasonable amount of battery charge before performing a format/reset. As data will be lost, you are advised to perform a backup first

 

MACBUCKLEY

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136 Comments

Filed under Nokia N91 Tips

136 responses to “Nokia N91: How to Perform a Hard reset.

  1. Gaby

    The reset info is brilliant. My N91 kept on freezing and required the battery to be removed and restarted; sometimes freezing as many as 10 times a day!..could not however figure out what was causing it….an earlier comment about freeing RAM ….no where in the manual to show you how to do that…everything seems to refer to only the hard drive…any suggestions there? Regards

  2. Matrixomar

    ——————————————————————————–
    Hi

    I install FONT1.SIS on my nokia N91 and i can´t use my calculator. i am triyng to remove but i can´t.when i try to delete come with this message:requested operation cannot be completed error-46.
    A format the hard drive and still there.
    Please help me

  3. Harsh

    The Hard Reset is not working for me.

    My phone is unfortunately a Nokia N91-5

    v1.10.030
    05-05-06
    RM-158
    N91(19.01)

  4. Ame

    hi when i go into my n91 tools and enter harddrive its says hard drive not available, i dont know why and what the problem please help

  5. kostas

    hi i have a big problem with my n91 i want to be format in hard drive but always tell me its not available or the hard drive used by other application
    i used all formats methods but nothing
    when i am connecting with my pc i can connect only by pc suite not with media player not with mass storage and always the same message hard drive is used by another application please help me

  6. Rohan

    Nokia N91 firmware update available from http://www.nokia.com logon region UK to get it. Laterz going to download it now

  7. David

    I tried both soft format and hard format, but the application is still on my phone, installing every time i start my phone, and keeping the hard drive busy.
    Isnt there any way to remove that crap? Anyone know what file is doing that shit?
    Help would be greatly appreciated!!

  8. darko

    i go into my n91 tools and enter harddrive its says hard drive not available

  9. xxlbug

    @david, same crap here

    i make a soft and a hard reset. delete files on many places, install a taskmanager, tryed to kill the only processes left, “music” and “standby” but that are “system” things, so cant be stoped.

    im really pissed

    btw. i have send a mail at nokia support, but no answer so long

  10. BInkI

    yep !!!…..I was warned about the N91 problems but did not listen 😦 I took a contract over 12 months with this phone and how sorry i am. O2 reps blew me off until i signed up…LOL…NOW !! they don’t give a shite cos they have my money coming in + more. My NOKIA N91 has a ghost inside that contacts MOBILE WEB service every month running my bill up even more, gotta pay it even if you a’nt used it….Good job i got my phone insured cos i lost my N91 “NEXT WEEK” lol…….don’t get one!!!!

  11. ifte

    THANK YOU!!

    before i did this, the fone memory waas clogged up now its all good thnx!!

  12. blacklisted

    i have the nokia n91-1 vodafone version and im tryinn to perform a hard reset and it doesnt work?
    anyonee have any ideas as to why?

  13. Even thou I did the soft reset, I still can’t access da hard drive-‘hard drive not available. Used by another application.” i’ve deleted all da applications on my fone & still no luck. The hard reset doesn’t even work. PLEASE HELP!!!

  14. miecom

    I TIRED FOR FLASH MY N91,MY PROBLEM IS PHONE START-UP FAILED,CONTECT THE RETAILER.I KNOW ANY THIRD PARTY BOX CAN REPAIR THIS PROBLEM.PHONIEX CAN REPAIR THIS PROBLEM,BUT WHERE CAN I GET PHONIEX TOOL FOR REPAIR MY N91.SOMEBODY CAN HELP ME SOLVE THE PROBLEM????????

    THANKS…..

  15. clint c

    every time i log onto mxit with n 91 it askes me to allow application mxit to use network to send and receive data. after i say yes it then askes me to sellect an access piont. im in and out of application all day. is this the only nokia that do’s this or is there a way around it. would like to sellect icon and go straight in. HELP!!!!!

  16. tracey

    i have a problem about my N91..yesterday all my music files got lost and it syas disk error or sumthing so i tried this hard reset and to my surprise all my files was restored but i’m kinda confused coz you said that the datas will be lost..the only things that got lost are my contact numbers…phew…

  17. death2007

    As far as i know, the Data on your phone will be erased, your HD wont be erased untill you format it. Seems like a file system error that your songs got lost. But the missing contacts are the evidence of the fact that only phone memory is erased =D

  18. pip

    I am unable to open any received sms no matter which way I try to. Any suggestions? would formatting it do the trick?

  19. any thing about nokia n91

  20. i just purchased this damm unit. the 1st thing was i thought i had the coolest phone, i have wifi, 4gb smartphone apps. but i feel bad about this unit it cost me 300$ purchasing this. damm what w waste of money. tried it the 1st day i had sw version 2.00 it freezes and hangs cant use this phone then upgraded to 2.10 shit this phone is. keeps on restarting then hard drive is not available. how damm nokia is. im planning to file a case to nokia. those damm assholes.

  21. lanre

    hey there thanks for the whole thing but have tried the hard reset but it not working on my phone and this is really giving me a set back pls help me out

  22. bj

    i was trying to do a hard reset but it wont work because of the pin code screen… the number 1 is messed up i cant even type my pin code… can someone help me???

  23. Chetan Pramani

    Hey Guys, please find below the common reasons why ppl cant use the N91 properly. After upgrading the phone to the new version, I have found that there are no issues. The phone does not hang or restart now.

    When the software takes a lot of time to update, I suggest that the computer should have atleast 512MB RAM and a very good internet speed. Else, it wil take a lot of time and even your phone may hang.

    If the hard disk is not available after you have upgraded the phone, please reset the phone to factory defaults. This will work. But please remember that when you upgrade the phone, all the data of the phone is lost.

    If you have any issues, please mail me at chetanpramani@gmail.com

  24. mond

    need help ASAP i just bought N91 2weeks ago and i plan to format it by using the phone tools i format it using full format after that the phone HD dost work what should i do help me pls.. help me … you can mail me at franz_121921@yahoo.com help !!! help !!!

  25. Your article is very informative and helped me further.

    Thanks, David

  26. wez

    lets face it – this fone is too flashy for its own good. don’t get one unless you’ve got a spare to use while the n91 is being fixed

  27. shagir

    hey my red button and my ‘4’ button is not workin..my red button displays 9 when i press whereas when i press 4 it shows ‘#’ .help me …em stuck now without those 2 keys

  28. Bruno

    I need some tool or some aplication for format my hard disc drive because my phome teel me that the hard disc don’t reconized. b_oliveira@iol.pt is my e-mail for someone who can help me solve my problem. Thanks

  29. ramin

    ttutorial of my n91 is formated and i need it
    help me plz

  30. Nikola

    I’ve having a litlle problem with my n91-1. My hardisk is working fine for a while (2-4 days),then sudenly files on hard end up coruptable an i must format drive.After that is ok (for couple days)and then the same old shit.I have newest firmware.Could be posible that my hard is corupted?Scan didn’t find any bad sectors.Can i do full format with pc?

  31. Glen

    My phone freezes right after powering it on. just after when the nokia logo and the hands never show up. any suggestions??

  32. Scott Rudman

    Hey there,
    My N91 is not connecting via data cable to my computer, it never used to have problems with this but needed to do a hard format because of a sms problem. It says “Unable to activate mass storage mode. Hard drive being used by another application” Iv tried turning it off, a hard reset and an additional hard format and nothing…. Any help on this would be great thanks.

  33. Khazi

    I have a Nokia N91 series….the 4GB one…I was first not able to send msgs…as it used to take ages for it to go…did a hard reset and things were fine….now I am unable to open any SMS which is either in the inbox or i receive a new one….infact the options do not have forward for me to choose that and read the msg….need help…

  34. Amam

    Sombody help
    I`m facing a problem with hard drive, first I installed some damn app “oggplayer” on my HARD DRIVE! then try to remove but no way! ((I read that never install apps on hard drive for the first time)) but after tring to remove… no way. I found that when I remove the battery cover all open apps on hard drive + hard drive shut down immediatly.
    the problem accured when I want to use the phone as MASS STORAGE device. it says that because of some open aplication,hard drive is in use. so I have to remove the app how?will phone firmware flash work by usb? A hard format + hard reset?

  35. SAMEER

    hi! i have a harddrive problem with my n91
    ((“”v1.11.003
    17-05-06
    RM-43
    n91 (05.01)”” ))
    most of the times the hard drive is not available when i v finishd transfering my data
    i can olso not listen to music nicely witout the phone freezing!
    >>??>>does some body knows if i can get a spare hard drive of 4gb or 8gb if compatible with this phone???

  36. SAMEER

    anybody hellllllppppppppp plzzzzz
    is it possible to get a spare hard drive of 4gb??
    or 8gb if compatible with this phone???
    how much is the estimated price for both??

  37. Sham

    anybody hellllllppppppppp plzzzzz
    is it possible to get a spare HDD of 4gb?
    or 8gb if compatible with this phone?
    how much is the estimated price for both??

  38. Superlux

    Hello everybody, i have a huge problem with my nokia N91 : no button works but the power button. Help me please, the hard reset doesnt work neither.
    Thanks For Help

  39. Amit

    Hi,
    Can anyone tell me how much an 8gb drive cost me?

  40. Nashir

    Now You can reset your n91 hard drive easily if your “hard drive is not available” switch off your mobile replace your back cover and switch on than go to menu and open “Tutorial” after that put your back cover now you go back to tools open your “hard drive” option now you can see the format option check it really works……….. don’t forgot to say thanks to me…
    “Hope You like this”

  41. Endra

    Hey friend I have some problem with my N91, specialy “hard drive not availabe”, I search on net about this problem but nothing help.
    And than I have an idea:
    1. Switch off the phone
    2. Open back cover
    3. Press power button
    4. Goto the Tools Folder, Harddrive and you can see no harddrive
    5. Close back cover
    6. Goto the Tools Folder, Harddrive and you can see harddrive is availabe
    7. Now format hard drive
    It fine to my N91 how about you? If your N91 is not work, don’t punish me.

  42. tung

    i WAs hard reset N91 on .intruction in web ok . why please button error .. please see me for N91 ..thanksss!!

  43. Toonmx

    Tnks Endra working fine my n91

    telcel custumer care sucks

  44. Khayyam

    Help my N-91 has hanged and now I am trying to open the battery to restart it but unfortunately the button to open the body is not opening, what should I do?

  45. kaushik

    Hey d hard reset dat u hav mentioned above isn’t workin…i tried it several times…can u help me out wid dat??

  46. Dear all,
    I have purchased N91-4GB here in Nepal 6 months ago. I have a problem on my mobile that when I connect to USB port it shows “connect via”- “Mass Storage/Media Player / PC Suite” But any of three doesnot support or connect to my PC. I have tried more than 10 computers with different USB cables. But the problem is still same.

    I even formatted both Phone Memory (*#7380#) and Harddrive (using tools>Harddrive>format>Quick/Full Erase.

    But still the problem is same. Anybody who knows this solution please mail me at my e-mail: chirangb@gmail.com. Thank you very much.

    Chiranjibi Guragain
    Kathmandu, Nepal

  47. irfan

    hey buddy i want u to help me out

    i Found A Problem In My n91 4gb set
    sudden it was Get stuck

    and i get Pissed Of it

    can Any buddy help me what to Do
    and Any Antivirus For my N91 Set

    Mail me At irfanabuwani@hotmail.com

  48. nappy

    i forgot my lock code can u help me in resetting my phone N91 4gb

  49. reward

    got problem wih my n91 cuz wen i push the boton to open the menu it wont work i tried hard reset but d problem is til der. cud any1 help me with this. tnx
    bout the d problem on sending sms der is an application that wil solve dat it an sms accelator found in nokia website.

  50. muzz

    “Superlux
    March 31st, 2007 at 6:29 pm

    Hello everybody, i have a huge problem with my nokia N91 : no button works but the power button. Help me please, the hard reset doesnt work neither.
    Thanks For Help”

    I have the same problem, can someone please help us???

  51. Naveed

    thanks Nashir, it really works

  52. hi evryone….i’ve got a big problem wiv my n91(the 4 gb one)well i’ve spent 6 months saving my money to buy the phone and unfortunately the phone doesnt accept my sim card….Can someone plz help me….can u please send me the code to unlock the simlock…

    thanking you all beforehand,

    Darkminded

  53. politico

    Nokia N91 Tips which can be downloaded from nokia.com contains the soft-reset tip. I have copied it below.

    To reset press *#7370# (Code 12345). This action
    erases all memory in the phone memory locations and resets the settings back to the factory default settings.

  54. ajith

    i have a n91 wich hangs when backcover inserts,any one any idea?

  55. Ali

    i have tried to reset fone but i still get the error “HARD DRIVE NOT AVAILABLE”
    help me plz

  56. prashant

    hi i have a big problem with my n91 i want to be format in hard drive but always tell me its not available or the hard drive used by other application
    i used all formats methods but nothing
    when i am connecting with my pc i can connect only by pc suite not with media player not with mass storage and always the same message hard drive is used by another application please help me

  57. Ali

    Parshant do this
    1. Switch off the phone
    2. Open back cover
    3. Press power button
    4. Goto the Tools Folder, Harddrive and you can see no harddrive
    5. Close back cover
    6. Goto the Tools Folder, Harddrive and you can see harddrive is availabe
    7. Now format hard drive.
    it really works …

  58. m flash my N91 mobile in universalbox.after flashing yhe phone showing PHONE SATARTUP FAILD.M again flashe with new version bt same error.so pls help me,wht i need to do?

  59. m flash my N91 mobile in universalbox.after flashing my phone showing PHONE SATARTUP FAILD.M again flashe with new version bt same error.so pls help me,wht i need to do?

  60. Adarsh

    when i switch on my n91[4GB] I can see white screen in the begining…later when the nokia logo is about to come…..my screen turns black……i cant see anything…..but i am able to make calls…receive calls…listen to music……plz help me…
    mail me at vmadarshnaik@yahoo.com

  61. Leighroy

    I Need help my N91 wont function.
    When i turn it on it just goes to the Nokia Logo and that is it.
    Then when I take the battery out & put back in leave the back off and it starts up fine.
    But when I put the back on it goes back to the Nokia Logo. What do I do?

  62. hi everybody,the phone called nokia N91 is so boring,i bought the phone 2 weeks ago and it is already giving me problem,the first problem was that it started discharging the battery quickly,and all of a sudden the phone also became hot too,i do not really know how to go about it because it is getting me annoyed,i can’t even use the phone for 10 minutes,the battery discahrges with speed,please if there is anyone out there who have any idea about the problem,and what i should do about the phone please alert me cos i am begging,please everyone help me out

  63. i have taken the phone to so many technicians,but they just can’t retify the fault,some said that it was an ic in the phone,but all their effort were to no avail.if anyone know what is wrong with the phone and how to fix the problem help me out,cos i can’t afford to throw away my money,i believe that this is the most useless phone that nokia has ever made,though the nokia N91 is very attractive, but it is also prone to fault at all times.

  64. Wow, that trick really works, thanks for insisting on it in this forum. It sounds like Vodoo, doesn’t make any technical sense, but it worked for me:

    1. Switch off the phone
    2. Open back cover
    3. Press power button
    4. Goto the Tools Folder, Harddrive and you can see no harddrive
    5. Close back cover
    6. Goto the Tools Folder, Harddrive and you can see harddrive is availabe

    My other problem which started all this, was also that my phone got stuck in the Nokia start up loop. Taking the battery out did not help this time. But removing the SIM card made it accessable. At which point the harddrive didn’t work and I had to use the above mentioned Vodoo…

    Phone is working again… thanks…

  65. khalid

    thanks for the info
    the format was a success
    my phone is new but i tryed to copy messages from my 6630 , and i did see it
    but the n91 was frozen, so i did a restart but failed it didnt start so i formated it

  66. johnny

    Hello! I have a problem with my N91. When I connect my phone to PC don’t shows any message. I have tried more than 10 computers with different USB cables. But the problem is still same. please help me: jonek55@interia.pl

  67. moe

    hey guess wat this piece of nokia sucks everytime i turn this damn thing on it stop at nokia display i dont know wat to do if anyone can help plz e mail me .

  68. Pingback: Robotti » N91: The Next Level (Jaiku, fring ja Nokia Internet Radio)

  69. Idetrorce

    very interesting, but I don’t agree with you
    Idetrorce

  70. chaey

    i have my n91-1, the 4 Gig one..i ignore start up failed one time because when i turn my phone back on, it was fine..but now its showing start up failed contact retailer again,..i did the hard reset and the color turned to the default color but once its shows me to type the password it automatically goes back to start up failed contact retailer and it will stay there until i remove the battery.. pls help me…this phone is crappy! damn! i wish i could have waited for the other phones w/o this crappy hard drive! pls pls pls help me……

  71. Anonymous

    when formatting keep phone at a fixed place (put on the table for exm.) instead of keeping at hand and moving… it worked!!

  72. It Worked!!
    I initially performed the hard format suggested above:
    Switch off the phone.
    Hold down the following three buttons: Green (call answer) button, * button, and ‘3′ button
    While holding these buttons, press the power button and switch on the phone
    When the message ‘Formatting’ appears on the screen, release all of the buttons

    I still got the “hard drive is not available” message so I followed Nashir’s suggestion below.. it worked and now the hard drive is available…Thank You:)

    Nashir
    April 13, 2007 at 4:10 am
    Now You can reset your n91 hard drive easily if your “hard drive is not available” switch off your mobile replace your back cover and switch on than go to menu and open “Tutorial” after that put your back cover now you go back to tools open your “hard drive” option now you can see the format option check it really works………..

  73. olee

    thanks its work…

  74. aamir

    my n91 dont want to format when using the hard format.iv tried several times but phone just switches of/help me.regards

  75. After reading this article,I want to go out to see the movie with my boy firend.
    Goodbye and Good Luck.

  76. SHARMA SHAILESH

    NICE THING MAN IT REALLY WORKED FOR ME

  77. harshang

    HELLO All,
    i have n91.but i from now last one month i am facing one problem.and that problem is before one week suddenly my phone’s keypad stop working.i dont know why?
    and then i just restart my phone after 3 days its start working…
    n then againg now its creating the problem.
    n that is some times the keypad is working n some time its not working ?

    i dont know what the problem is?

    n ya can any body tell me that fom where i can find out the total body f n91.

    CAUSE MY PHONE LOOKS SO BAD NOW A DAYS .

    PLS IF ANY BODY KNOWS THEN PLS PLS REPLY ME.

  78. krishna

    hey kostas i thnk ur n91 memory is used by the mesage application so just open d message aplication n den copen d options n den settings n den open other frm list of options n den change d memory in use

  79. AASHY C

    Folks I beg ur forgiveness, but in reality N91 SUCKS! N91 is a piece of SHIT.En more worse r those Nokia care centres ASSHOLES

  80. Rich

    removing the back cover idea works great. thanks to the poster.

  81. Efrain CR

    Now my N91 is broke, I tried the firmware upgrade and it work for a while, but still had an application that can not be removed, then I did the *#7370# process and it reset the cell but not the hard drive!

  82. RAKESH

    once i pasted a 700mb film in my nokia n91 cell,and i have deleted the stuff.But when i records the stuuf with the camera and try to see in my PC.The problem is that after the video gets fineshed the video of the film gets started in between which i have deleted earlier.Even though the stuff has been deleted it gets started when i see the recording in my PC.
    kindly suggest me some technique to solve this problem and mail this on my e-mail id.
    rakeshcharangatt@yahoo.co.in.
    hoping for ur reply.

  83. KaRl

    tnx.. succesfully formatted my n91 c.p!

    after i faormat my n91 very good condition.. past sending!

  84. ishara

    helo what do you mean by back cover?

  85. justice

    1. Switch off the phone
    2. Open back cover
    3. Press power button
    4. Goto the Tools Folder, Harddrive and you can see no harddrive
    5. Close back cover
    6. Goto the Tools Folder, Harddrive and you can see harddrive is availabe
    7. Now format hard drive

  86. hey i did the same thing as instructed but still not working,its coming format harddrive n showing harddrive not available….
    Pllease help

  87. Here is the solution(we do not have to use any of box or sofeware):

    1. Normally i will turn on the phone and press *#7370# to restore to factory setting first.

    2. TAKE OFF BACK COVER. reboot phone by holding the (pen-key), the phone will boot as safemode. (it looks no different from normal mode)

    3. go to Tool->harddisk (now you will still see “harddisk is not available”)

    4. PUT BACK COVER ON (do this slowly). then the phone will work very slow BUT THE PHONE IS NOT HUNG.

    5. you have to be patient, and press option key, and wait for phone responds, it normally takes from 2mins to 5 mins (some phones responds fast, some phones responds slower, depands how it reads harddisk)

    6. after option menu comes up, choose harddisk to format (formatting takes about 15 mins or more, be patient, wait until it finish, after formatting harddisk, every thing will work ok again)

    note: after put your backcover back, each key you press, phone will respond very slow, because it’s reading harddisk, but THE PHONE IS NOT HUNG

    more…….

    Device hangs when booting
    Cause:
    – Corrupt HDD
    – Defective HDD
    – Defective device
    – HDD sticking

    Cannot access the HDD

    Cause:
    – Battery cover not in place
    – Magnet missing from battery cover
    – Damaged HDD
    – Corrupt data on HDD
    – Poor interconnect between HDD and PWB

    HDD Corrupt
    Cause:
    – Data installed from factory, that was corrupted
    – Applications installed on the HDD by user, not compatible
    S60 applications that are not version 3.0 (previous versions) are not compatible with N91.
    – Application install process to the HDD by user, that are not compatible
    If an application was copied from another device to a PC and then onto the
    HDD via mass storage, this will corrupt the HDD. Applications that worked in non-S60 3.0 devices will not work in the N91 or other S60 3.0 devices
    because of binary incompatability. Example: an application that works in a N70 or 6630 will not work in the N91 or N71. If an application was
    downloaded from the MMC of these devices and transferred (drag and Drop)
    into the N91, this would corrupt the HDD and the HDD would have to be
    formatted to function again.
    The N91, on startup, will see applications that were copied from the PC to
    the HDD. It will try to install these applications; this will lock the HDD and
    not allow access. This problem, with early sw (version 1.0), was only able to be repaired by formatting the HDD with Phoenix, because the USB connection could not access the HDD.
    Also, if the customer took a backup of a corrupted HDD image, when they
    restore this image to the device it will have the same fault.
    If an application was interrupted when it was being installed on the HDD by
    a power cycle. Applications have to be allowed to install uninterrupted

    Slow Accessing Applications
    Causes:

    SMS, MMS, Themes, and some applications if they are loaded onto the HDD, will cause slow access times. All these items should be loaded onto the devices internal memory and not the HDD.

    Quick Test tips
    If the device will not boot:
    – Restart the device with the battery cover removed
    If the device boots then there is a HDD issue.

    If the device boots but can not see the HDD
    – Make sure the battery cover is in place.
    – Check that there is a magnet in the B-Cover
    Use a metal object (a paper clip works) and see if it sticks to the lower
    right side of the device (opposite to the USB connector)
    If it does not stick replace the b-cover with a good b-cover. Retest.

    Testing
    There are different tools available to test and repair the HDD. They are available from the User Interface (UI), through the “Mass Storage” USB selection when connected to a PC and through Phoenix test software. Depending on the level of corruption on the device, this will limit which
    tools can be used. If the HDD is not accessible through the UI or the PC, then the last chance to format the HDD is through Phoenix

  88. chris lonsdale

    amazing thank you

  89. andryo

    Thanks for this

  90. harmon

    great..itt works..thank you ..

  91. alpesh

    sir ,
    i m alpesh patel . I hav Nokia N91 and when i insert fully charged battery in it , it will starts to heat up n in 1 to 2 hrs battery will be consumed n mobile becomes hot . Its not a battery problem because i tried 2 to 3 batteries in it . it is still becoming hot . i consulted a person n he checked my mobile . he says tat network ic is heating up and we hav to change it.
    So if u hav any idea or solution for it then pls mail me alpeshp87@gmail.com
    THANKS

  92. fineemina

    I have the same problem as

    Superlux
    March 31, 2007 at 6:29 pm

    I took out the battery of my N91 : b4 switching it off and then keypad stoped working i have tried hard reset, safemode nothing seems to be working except on/off key.

    i can play music with my head set bcos of controls on it but nothing more pls help.

  93. Deon Rupnarain

    Hi

    I have no access to my HardDrive . I have important photo’s which i desperately need to retrieve . I dont have the Phoenix Testing Software to access my harddrive . Does any1 know someone that can repair my Phone in Durban , South African?

  94. saurabh mittal

    hi guys,
    i m in big trouble….i purchase a n91 8gb …when i connect it with my pc trough pc suite – mass storage.. and transfer data in it……after that i remove my phone trough safely remove hardware concept …the harddrive of my phone shows hard drive corrupted what i do???????/plz help

  95. aman

    sir,
    i8 hane n91. when i put sim in the phone it shows “sim card not valid”.plz solve the problem

  96. Vigneiswaran

    Will the hard format erase the application’s that came with the phone like the menu functions and all that?will the menu will be erased…I m using a n96

  97. Venkat

    Hi alpesh, I have the same problem that u have mentioned (it will starts to heat up n in 1 to 2 hrs battery will be consumed n mobile becomes hot . Its not a battery problem because i tried 2 to 3 batteries in it) . Did u manage to find the Network IC and fix it. Please reply. Thanks
    Venkat

  98. rajnish singh

    yaar mera keepad ka koi bhi botton nahi chal raha hai sirf switch off ka botton hi chal raha hai aur koi bhi botton nahi chal raha hai agar iska solution kisi ke pass hai to plz give me a sollution can mail me on id or ill give it to repair but agar keepad khula to jaldi kisi se band bhi to nahi hota hai plz rpy

  99. moiz

    its really working

  100. gens

    every time i turn on my n91 it say faild to start up. i tried those 2 resets but none of them works. what can i do? please i need suggestion. thanks

  101. Teenah

    Hi !

    My N91 is not reading HDD . What do I do ? I have important files on it and can’t seem to find it because of this problem not reading the HDD . Please help .

    Auckland NZ !

  102. Kashyap

    I am having problem with the charging of my N 91. Whenever i try to charge, it damages the battrey, the battrey swells up and becomes useless thereafter, i have lost my 5 battreys in this process untill now, i dont know whats wrong with the phone…. Please HELP

  103. viper

    its work with my N91!! thx

  104. sahib

    PLZ HELP ME MY HARD DRIVE IS NOT
    AVAILABEL…………..

  105. Vishal Parihar

    Hi friend’s Nokia N91 8gb is very best in speed as well as in music mobile phone.

    In case in you getting any problem with this phone than open to mail me at vishal.parihar@yahoo.co.in.

    I have design this Operating system.

    Symbian powered mobile
    Sr.Software engineering
    Vishal Parihar

  106. Vishal Parihar

    Vishal parihar

    In case error show HARD DRIVE IS NOT
    AVAILABEL than need to replace new batter caver.

  107. Vishal Parihar

    Hi friend’s Nokia N91 8gb is best in speed as well as in music mobile phone.

    In case in you getting any problem with this phone than open to mail me at vishal.parihar@yahoo.co.in.

    I have design this Operating system.

    Symbian powered mobile
    Sr.Software engineering
    Vishal Parihar

  108. wasiq

    hi .how to repair volume control button of n91 mobile

  109. wasiq

    and no demanged button and what is the problem

  110. hi…i accidentally…adjusted the display brightness to the lowest…and now it all turn out blank..so any solution for this how do i brighten it up back the screen??

  111. hi…i accidentally…adjusted the display brightness to the lowest…and now it all out blank..so any solution for this how do i brighten it up back the screen?? plssssssssssssss it’s urgent…plss reply me asap.tq:)

  112. hi…i accidentally…adjusted the display brightness to the lowest…and now it all out blank..so any solution for this how do i brighten it up back the screen??

  113. When I turn on my n91 4gb I have this error PHONE START-UP FAILED. CONTACT YHE RETAILER. What I can do? Pls help on my yahoo messenger id myhay_grm

  114. i have fucked with my Nokia N91 hard drive memory
    that fucked with me every time & stucking all time

  115. pls i 4got my phone n91-1 code and i can not format it pls give me a tip on how to format it…!!

  116. I am harassed by my N91. The battery does not last more than a few hours the most. Each time I have replaced the battery there has been no change. Am I correct is suspecting a hardware problem with the N91? Any suggestions guys!

    And also how can I update its Symbian OS ?

    Thanks
    Shivmedia

  117. ok,,,good..good,,,thanks…

  118. Adexolly

    I have a problem with my N91 phone any time I on it, it show Phone State-up failed, contact the retailer. Anything I can do to solve the problem. Pls I need it urgent.

  119. Amit Chatterjee

    Hi,
    I have a Nokia N91. The problem is that I can’t format my phone/ hard drive. I tried *#7370# but in next step it needs lock code which suppose to be 12345 but it’s not working. May be I forgot my code.

    Secondly, I tried green/talk/call + * + 3 , but it dont work.
    main problem is my display. It often works & often not, even that phone sound is working often same as the display. So’ please can u help me.
    Thanks,
    Amit Chatterjee

  120. suni

    my phone has lost hard connection. always it display memory full after restart it work after few minutes again no work

  121. Bharat

    Hye frnds this is really working i thanks all of them who posted this idea. it really worked for me..thanks a ton.

    1. Switch off the phone
    2. Open back cover
    3. Press power button
    4. Goto the Tools Folder, Harddrive and you can see no harddrive
    5. Close back cover
    6. Goto the Tools Folder, Harddrive and you can see harddrive is availabe
    7. Now format hard drive

  122. Anonymous

    if hard disk not found change battery cover

  123. Lanre

    I TIRED FOR FLASH MY N91,MY PROBLEM IS PHONE START-UP FAILED,CONTECT THE RETAILER.I KNOW ANY THIRD PARTY BOX CAN REPAIR THIS PROBLEM.PHONIEX CAN REPAIR THIS PROBLEM,BUT WHERE CAN I GET PHONIEX TOOL FOR REPAIR MY N91.SOMEBODY CAN HELP ME SOLVE THE PROBLEM????????

    THANKS…..

  124. deedar

    i have a nokia n91, after hard reset always display back light automatically on/off every 10/15/20 second for this reason my battery empty within 3/4 hours , how can i solve this.

  125. Soft-format:

    The soft-format code for Series 60 phones is *#7370# . You enter this code as you would enter a phone number in the Phone application. It performs a format of the Internal drive – All data will be lost if you use this feature.

    Hard-format:

    The method of performing a hard-format, i.e resetting it completely to factory defaults and removing all data, is as follows:

    Switch off the phone.
    Hold down the following three buttons: Green (call answer) button, * button, and ‘3′ button
    While holding these buttons, press the power button and switch on the phone
    When the message ‘Formatting’ appears on the screen, release all of the buttons

  126. Anonymous

    podczas wgrywania software mialem zanik pradu i moja nokia n 91 niestety nie chce sie uruchomic , czy moze ktos wie jak naprawic ten problem? z gory dziekuje jezeli ktos sie pofatyguje na maila przemcio83@tlen.pl

  127. Hasni

    Awesome
    thank you
    its brilliant

  128. Anonymous

    help plz my phone doesnt accept any sim card

  129. hello!I have problem,my hard drive is unavailable.how can?

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