samedi 22 août 2015

[Install CM 12.1 Nightlies for Noobs] Updated 8/22/15



I'm creating this guide because other guides seemed quite out of date and a little complicated to unlock/root the phone, involving downgrading. However, this has been tested on firmware 2.20.40.59, but it should work on several older and newer versions.
I plan to make this guide as simple as possible.

1. Install USB Drivers + ADB/Fastboot:
Install this Intel Driver:
http://forum.xda-developers.com/zenf...1-9-0-t3105522
Install this ADB/Fastboot package:
http://forum.xda-developers.com/show...8#post48915118

2. Unlock the bootloader:
Download the attached file in this thread.
http://forum.xda-developers.com/zenf...-root-t3155884
Unzip the folder.
Connect phone to computer, and on the phone, enable developer settings ( Go to the "Settings">"About">"Software information">Tap "Build number" seven (7) times).
Go to "Settings">"Developer Settings">Check the box stating "USB Debugging".
On the computer, launch "unlock_one_click_v2.bat"
You should know you're unlocked if your spash/boot screen has inverted colors.


3. Flash TWRP:
Download the Un-tethered TWRP file
http://forum.xda-developers.com/zenf...one-2-t3123532
Open the folder the .img file is in, and rename the file to "twrp.img".
Hold the Shift button on your keyboard, and right click in the empty space of the folder you are in containing the twrp.img. You should be able to now click "Open Command Window Here".
On the phone (powered on), type "adb reboot bootloader".
After the phone reboots to fastboot, type "fastboot flash recovery twrp.img".
Reboot the phone to the normal OS.

4. Install the ROM & Gapps:
Download Gapps + ROM:
http://forum.xda-developers.com/zenf...ghtly-t3164144
http://forum.xda-developers.com/zenf...gapps-t3161271
Place them on your phone while its powered on normally.
On the computer, type "adb reboot recovery".
Create a nandroid backup at this point (https://www.youtube.com/watch?v=c7y0NpJ90JQ).
Now go to Wipe, and wipe everything except SD Card and Internal Storage.
Go back and click Install, and flash the ROM and Gapps file.
Reboot, and you are done!



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