1. hassan magdy's Avatar
    I downloaded upgrade advisor app to my 640 xl it worked it showed me enable upgrade checkbox , after that I made a hard reset to my phone then when I tried to use upgrade advisor app it tells me that ms working with my mobile operator and manufacture... And now I can't upgrade..
    abhishek singh21 likes this.
    03-20-2016 07:39 AM
  2. abhishek singh21's Avatar
    I downloaded upgrade advisor app to my 640 xl it worked it showed me enable upgrade checkbox , after that I made a hard reset to my phone then when I tried to use upgrade advisor app it tells me that ms working with my mobile operator and manufacture... And now I can't upgrade..
    this issue has occurred to many. may i know what is your region? and whether th edevice is locked or unlocked?
    hassan magdy likes this.
    03-20-2016 07:51 AM
  3. hassan magdy's Avatar
    My device is NOT unlocked, in fact it's also new I bought it 4 months ago, my region is egypt arabic
    abhishek singh21 likes this.
    03-20-2016 10:37 AM
  4. hassan magdy's Avatar
    The update is available to my region, i've two phones of the same type '640 xl' one of them updated fine but the second one which I made hard reset to had this problem..
    03-20-2016 10:53 AM
  5. ooubaal9's Avatar
    I have the same problem too. My Lumia is 640 LTE. On 19 March 2016 I got an upgrade available from " Upgrade advisor" but my phone space isn't enough to upgrade so I made a hard reset to my phone. After that reset I'm still in 8.1 version and no update to Windows 10 anymore. Any help? Please.
    03-20-2016 07:34 PM
  6. hassan magdy's Avatar
    I have the same problem too. My Lumia is 640 LTE. On 19 March 2016 I got an upgrade available from " Upgrade advisor" but my phone space isn't enough to upgrade so I made a hard reset to my phone. After that reset I'm still in 8.1 version and no update to Windows 10 anymore. Any help? Please.
    Exactly the same problem
    03-21-2016 03:20 AM
  7. hassan magdy's Avatar
    After many tries you can solve this problem if you used windows recovery tool to install 8.1 again on your phone.
    03-23-2016 03:09 AM
  8. ooubaal9's Avatar
    I ve used windows recovery tool as you said but it s not work at all. Could you please send me the link to window recovery in your version. Any way Thank you so much
    03-24-2016 10:48 AM

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