Unable to update my iphone 4s ios to 5.0.1

dear friends
im experiencing updating problem rite now. i just bought a 4s for my wife yesterday. when i tried updating the ios to 5.0.1 directly from the phone, it showed - 'Unable to Check for Update. An error occured while checking for a software update. and when i tried updating it via itunes, i got this msg - The iPhone "xxx iphone" could not be updated because the firmware file is not compatible.
my internet connection is perfectly ok here. can anybody help me on this?
Thank you

I was finally able to update from iOS 5.0 (9A334) to iOS 5.0.1 (9A406) on my new iPhone 4S.
(Note: I did not try "Reset" in the Settings>General app on iphone as I only noticed it later. Someone may want to try it)
Problem:
Firmware file incompatibility error whenever I tried to update through iTunes. Same issue when trying to do a restore through iTunes, as it attempted to first do an iOS update and failed with the same firmware file incompatibility error. A straight restore from back-up  (right clicking the user device in iTunes) did not fix the problem. On the iphone itself, there was an update badge on Settings, but it said my system was already up-to-date when I tried to update over-the-air, even though the version was still 5.0 (9A334).
Solution (that worked for me at least):
Using iTunes 10.5.2.11 on a PC running 64 bit Windows 7
First did a full back up of  iphone using iTunes
Put iphone into Recovery Mode ( http://support.apple.com/kb/ht1808 ). Erases all user data and settings!
Disconnected USB cable from iphone
Powered off iphone by holding down Sleep/Off button until slider appeared, slid to off, waited until screen dark
Pressed and kept holding Home button while plugging cable back into phone
I still saw the graphic on the iphone that said to plug into iTunes, so I unplugged and re-plugged cable. (I may have released the Home button too soon)
Recovery Mode alert came up in iTunes.
Followed all iTunes prompts to restore phone - it downloaded and sucessfully installed iOS 5.0.1
iphone did not appear in iTunes due to missing pairing file (that made me nervous)
iphone was now at factory settings. I followed prompts on iphone screen to start reactivation process
Eventually the iphone asked if I wanted to restore from a back-up (whew!)
A window opened in iTunes and I was able to select my previous back-up file for the restore
A full restore from back-up then occured
I also allowed a carrier settings update to occur when prompted (not sure that happens in all cases)
When the restore was done I had to re-enter some passwords, but everything was there
iOS is now 5.0.1 (9A406). The whole process took about an hour.
I admit it was risky, but I was prepared to head back to the dealer in the morning if the phone didn't reactivate.
I hope this works for you. Good luck!

Similar Messages

Maybe you are looking for

  • How do I use my .me account on my itunes?

    I have been using Gmail for a long time and I used this email to purchase all my iTunes stuff. I know I've spent hundreds and I wouldn't be surprised if I spent thousands. I would like to change my iTunes email to my apple .me address but it gives me

  • AD FS 3.0 MFA Question

    We are in the process of planning for the implementation of ADFS 3.0 (2012 R2). The primary question that I am trying to answer is: Can we can prevent an authorized user from being authenticated if they are trying to access the service from an unmana

  • What's up with auto downloads for tv seasons?

    I receive emails telling me to download new episodes of already purchased seasons on iTunes but, alas!, no joy.  The episodes do not autodownload and I have not been able to find a way to get at them short of (you've got to be kidding) buying them al

  • MacBook Pro 17" Santa Rosa and 64-bits strange issue...

    Hi all, my MacBoo Pro 17" Intel Core 2 Duo 2,4GHz under SL 10.6.5 seems to be able to boot in 64 bits, so I edited the com.Apple.boot.plist in order to do so. I rebooted fine but as I'm going to Informations System, it shows that the Kernel didn't bo

  • Using numbers for roster information. Imported from another program. Now seem to have extra headers, one listing name, address, etc.

    Using numbers for roster information. Imported from another program. Now seem to have extra headers, one listing name, address, etc. & another A, B, C. They don't mesh & can't get rid of either. All info there, but can't change width of columns.