I have an ATT One M7 that won't update. It is still stuck on 4.1 and won't update. It is used on Cricket wireless. Is there a way to update it?
Posted via Android Central App
It can be done and I did it to mine over a year ago. Its hard to find all the files because it is such an old phone. Google for D2G unlock.
https://docs.google.com/document/d/1l15c0hxwQFAh1e1ewVMe3QUy4d1Laa51C2WCmBizSxA/mobilebasic
The basics of what you have to do is get the original radios...