- Jan 18, 2017
- 3
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Hello all,
I got this ATT Lumia 640 XL LTE phone a month or so ago from USA. Since it was not unlocked someone got the code from ebay I guess and now it has started working fine with my country's sim. This came with a "Windows Phone 8.1 Update 2" software and this morning when i tried to update the OS, it says my phone is up to date. I didn't try to update the software before unlocking the device but only after. I am sure Microsoft has made Windows phone 10 available for my device as well.
So, what is it that doesn't allow me to upgrade my OS ?
Thanks in advance for the suggestions.
I got this ATT Lumia 640 XL LTE phone a month or so ago from USA. Since it was not unlocked someone got the code from ebay I guess and now it has started working fine with my country's sim. This came with a "Windows Phone 8.1 Update 2" software and this morning when i tried to update the OS, it says my phone is up to date. I didn't try to update the software before unlocking the device but only after. I am sure Microsoft has made Windows phone 10 available for my device as well.
So, what is it that doesn't allow me to upgrade my OS ?
Thanks in advance for the suggestions.