How to Install Android 7.1.2 Nougat update on OnePlus One?

According to the Lineage OS stats, the OnePlus One ranks first in terms of number of downloads for the latest Lineage OS 14.1. This means, most of the OnePlus One users are now turning their heads towards custom ROMs in order to upgrade the Android system. 1+1 is out of official OnePlus support; that means, no more official updates. The last Oxygen OS that the phone ever received was version 2.1.4. However, a new official Resurrection Remix 5.8.3 will update the OnePlus One to latest Android 7.1.2 Nougat firmware.

The official Lineage OS 14.1 brought 7.1.1 Nougat to the OnePlus One and several other phones. Also, the manufacturer is now furiously rolling out official Oxygen OS 4.1.3 updates to the flagships OnePlus 3 and the 3T. Whereas, other device users like OnePlus 2, OnePlus X, and 1+1 are disappointed as they rarely see any official OTA updates. The only way to update these devices is to install a custom ROM based on Nougat.

The Resurrection Remix is now rolling out Android 7.1.2_r5 Nougat with the latest AOSP and Lineage OS sources compiled into one. The RR ROMS are based on Lineage OS sources. This means that the official Lineage OS 15 based on 7.1.2 Nougat is on its way. Moreover, as the ROM is official, it comes with little to now bugs and can be used as a daily driver.

Download Android 7.1.2 Nougat for OnePlus One

Resurrection Remix based on 7.1.1 Nougat

• Resurrection Remix 5.8.3+ [7.1.2_r2][BACON] | Download | File: RR-N-v5.8.3-20170413-bacon-Official.zip (373.1 MB)

The following is another custom ROM based on Android 7.1.2 Nougat with Slim7 – Bacon.

• Slim7 – Bacon [7.1.2_r2 Nougat] [N2G47E] | Download | File: Slim-bacon-7.1.2.build.0.19-DEV-DM-20170412-1704.zip

Files for root, TWRP, Gapps:

• SuperSU 2.79 SR3 | Download link
• Latest Gapps for Android 7.1+ | Download link 
• Latest TWRP recovery | Download link

How to Update OnePlus One to Android 7.1.2 Nougat with latest Resurrection Remix 5.8.3 or later?

Step 1: Make sure your OnePlus One is rooted with latest TWRP recovery installed.

Step 2: Download the Resurrection Remix 5.8.3+, SuperSu, Gapps for OnePlus One from above.

Step 3: Transfer all the necessary files to your device’s internal storage or SDcard. Place the files where you can easily locate it.

Step 4: Reboot into TWRP recovery. To do so, turn off your device completely. Press and hold the power button and volume down key for a few seconds.

Step 5: From TWRP, take a Nandroid backup. To do so, tap Backup option and select all the partitions including the system, data, boot, recovery, EFS and cache(optional).

Step 6: Now wipe the current system. Tap Advanced Wipe and select partitions like system, data, cache, Dalvik cache. Do not select internal storage.

Step 7: Return to the home screen and tap Install. Navigate to the Resurrection Remix zip, Gapps for 7.1.1, and latest SuperSU location in internal storage and flash the files one by one. Swipe to confirm.

Once installation completes, you can wipe the Dalvik cache or simply choose reboot to system option. A new boot logo means your 1+1 is upgraded.

Source: Github, Resurrection Remix