Temasek ROM for OnePlus One
How to root OnePlus One on Android 5.1.1 Cyanogen OS 12.1 ROM OnePlus

OnePlus One users are in for a double treat, as it is now possible to root the flagship phone on the recently released Android 5.1.1 Cyanogen OS 12.1 ROM via TWRP recovery using SuperSU. The SuperSU root package can only be installed after unlocking the device's bootloader and installing TWRP on it.

Interested users can go ahead and install the Chainfire's SuperSU on the OnePlus One, using the step-by-step guide provided below. IBTimes UK reminds readers that it will not be held liable for any damage to device during or after the firmware installation. Users are advised to proceed at their own risk.

Downloads Required

Chainfire's SuperSU Root for OnePlus One

TWRP recovery


  • Ensure the OnePlus One is fully charged.
  • Verify that TWRP recovery is pre-installed on the phone to facilitate rooting.
  • Back up important data and settings on the phone to prevent unexpected data loss during the ROM installation.

Steps to root OnePlus One on Cyanogen OS 12.1 Android 5.1.1 ROM

Step 1: Copy the downloaded root zip file to the phone's internal storage and remember the saved location

Step 2: Download and install TWRP recovery, and then boot the device into Recovery mode

Step 3: Take a backup of current ROM on your phone. Choose Backup and then do a 'Swipe to BackUp' gesture from the bottom of the screen

Step 4: Wait until the backup completes and then go ahead with the root installation steps as outlined below:

Step 5: Return to the main menu of TWRP recovery and hit Install. Go to the folder where you saved your root zip file and select it. Then perform the action 'Swipe to Confirm Flash' from the bottom of the screen

Step 6: Wait until the root is completely flashed on your phone and then return to recovery's main menu, choose Reboot > System

That is it. Your OnePlus One is now rooted on the latest Android 5.1.1 Cyanogen OS 12.1 ROM.

[Source: The Android Soul]