Download And Install OxygenOS ROM On OnePlus One, Here’s How To [Steps]

Here’s how to download and install OxygenOS Android 5.0.2 Lollipop ROM on OnePlus One. Tutorial with complete step-by-step instructions follow.


Caution: before rooting and flashing a custom ROM on your OnePlus One do note this, that it does not void your warranty, any damage to the handset from doing so will not be covered by it.



Unlocking Bootloader and Installing Custom Recovery

Step 1: To start, download the TWRP custom recovery from here and place the filew in the Fastboot folder in the installed Android SDK on your PC.

Step 2: Enable the installation from Unknown Sources from Security > Security on your phone.

Step 3: Now, hold down the volume upkey + power button to boot the phone into Fastboot mode. Once seen the Fastboot logo, you can connect the phone to your computer.

Step 4: Run Terminal on Mac or Command Prompt on Windows and enter the following command to unlock the bootloader.

fastboot oem unlock

Step 5: Begin flashing the TWRP recovery. Run Terminal or Command Prompt and go to the Fastboot folder where the TWRP recovery image is stored. Enter the following commands:

fastboot flash recovery
fastboot reboot

The custom recovery is now installed successfully.

Installing the OxygenOS ROM


Step 1: Download the Oxygen ROM from here and copy the file to the root of your phone’s storage.

Step 2: We now need to enter recovery mode on the phone. Do this by holding down the volume down key + power button.

Step 3: Once you enter recovery mode, make sure you back up or take a Nandroid backup. After backing up files, do a complete factory reset of the phone.

Step 4: Now tap the Install button and look for the file to install it.

Step 5: Once the ROM flashed, simply reboot your phone.


That’s it! You are now able to rejoice the latest Lollipop based OxygenOS ROM running on your OnePlus One.

These are the features which OxygenOS ROM comes with.

If you’d like to see the known issues or join the conversation on the install guide thread, check it out here.

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