Tuesday, September 27, 2016

[Guide] Install Official Marshmallow Update Oxygen OS 3.1.2

OnePlus Team has finally rolled out long-awaited Marshmallow Update. This time, it isn't community build or beta, it is a STABLE update!
This post will guide you to upgrade from 2.2.2 to 3.1.2 for both non-rooted and rooted users.

Disclaimer:
Code:

* I am not responsible for bricked devices, dead SD cards,
 * thermonuclear war, or you getting fired because the alarm app failed. Please
 * do some research if you have any concerns about features included in this ROM
 * before flashing it! YOU are choosing to make these modifications, and if
 * you point the finger at me for messing up your device, I will laugh at you.

For non-rooted, unmodified system users (who haven't tinkered anything with the device's software):

1a. You must have received a notification to update to OOS 2.2.3
Download it, and hit reboot now! This will automatically install the update which will prepare your device to install MM update.

1b. If you haven't received the update notification for 2.2.3 then download it manually from here - https://goo.gl/NkZm2I
Place it in the root directory of Internal Storage (not inside any folder, just directly on Internal storage) and then enter recovery mode by turning off your phone and then pressing Power button + volume down button at the same time. Once you get into recovery, select Install from Internal Storage and the select your file and flash it!

Congratulations, now you are on OOS 2.2.3!
Download MM OOS 3.1.2 from here - http://ift.tt/2d6HuTk
and place it on your SD card again, like above, go to recovery and flash the file!
You are now on Official Oxygen OS 3.1.2 MM Update!

For rooted users, who have modified system:
will edit and post instructions once I try it for myself, check back again around midnight today!


Hit Thanks if this post helped you!


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