Guest cojocariuadrian Posted April 2, 2014 Report Share Posted April 2, 2014 So I have the 4.0.4 ICS. I don't know all the terms like CFW and NAND and blahblah and I don't really have the time to read 300 pages of replies... I want to update to the 4.1.2 or 4.2 JB I did root the phone on 4.0.4, but it was a semi successful root, as superuser and overclocking worked fine, but things such as "change the extension of system files" would not work. I now get the "This device is not allowed to update" error when I try the official airborne update. I also need the WIFI G3 and GPS. What can I do ? I tried to flash the zip files from SD but I constantly get the ro.product.device error. Most links people are refering to are dead. How do I flash a firmware ? Can't I just flash the official JB firmware ? How do I unroot my phone so that I can make the official update ? Please help Link to comment Share on other sites More sharing options...
Guest cojocariuadrian Posted April 2, 2014 Report Share Posted April 2, 2014 I managed to update to the 4.1.2 version with the PC installer, I just needed the right version of the firmware and most of the links were down, but I finally found one. Link to comment Share on other sites More sharing options...
Guest razvankim Posted April 14, 2014 Report Share Posted April 14, 2014 http://acercloudmobile.blogspot.ro - there you'll find tutorials : root , flash , recoveries etc.. Link to comment Share on other sites More sharing options...
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