How to Install Official CM 13 Marshmallow ROM for OnePlus One

Nightly builds of CyanogenMod 13 is now available for OnePlus One android phone. However, Cyanogenmod team ported the official version of this ROM with few upgrades and all expected features of the official Android 6.0 Marshmallow update.


The theme engine of this ROM is versatile with improved interface as CM finally takes its shape rather than the pure AOSP port for Non-nexus devices. The ROM also brings users with improvement on multi-windows, that is, it’s now possible to launch apps in small snippets and resize is very easy, fingerprint support is also included and most especially improved battery performance.

Before you proceed to flashing this ROM on your OnePlus one device, you’ve to make sure that you’ve a rooted OnePlus one device with TWRP Recovery installed on it. Don’t also forget to take full backup of your device as you’ll lose your files during the flashing process.


If you’ve not rooted and installed TWRP Recovery on your Oneplus One android, quickly read this guide on how to root and install TWRP Recovery on OnePlus one android. After that, you can proceed to flashing the ROM following the below procedures.

How to Install CyanogenMod 13 (CM13) Nightly Builds Marshmallow ROM on OnePlus One Android

Step 1: Enable USB debugging on OnePlus One, simply go to settings >> Developers option, and connect your device to your computer.

Step 2: After that, download cyanogenmod 13 Nightly ROM from here on your computer, and Google Apps from here and move the downloaded files to the storage of your OnePlus One device. Make sure it’s saved in root memory, so you can easily locate the file.

Step 3: Now, switch off your device and boot to recovery mode (press and hold Volume Down button + press Power button).

Step 4: Once you get to the recovery mode, simply perform a full system wipe (Wipe Data/Factory Reset, Wipe Cache Partition and then Wipe Dalvik Cache/ART cache from advanced section).

Step 5: After that, go to the recover main menu, then choose install, then select the CM 13 Zip file and flash immediately.

Step 6: Repeat the step 5 to also install the Google apps/

Step 7: Once the installation process is completed, simply go back main recovery menu and tap on Reboot system, and your device would be rebooted.

Once your OnePlus One android is successfully rebooted, then you will begin to experience Android 6.0 Marshmallow on your device with much amazing features. And just in case your device got stock in welcome screen during reboot, simply switch off and boot to recovery, then wipe cache partition and reboot.

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How to Install Official CM 13 Marshmallow ROM for OnePlus One
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