TUTORIAL: How to Install Android 6.0 CM13 Marshmallow on OnePlus One
We have put together a detailed step-by-step instructions guide on how to install Android 6.0 CM13 Marshmallow custom firmware on OnePlus One. If you are used to installing custom ROMs on your One, then this should not be any different for you.
As we mentioned earlier, you need to have a custom recovery installed on your phone. Please do that first and then get back to this tutorial. And before you proceed below, make sure you read the tutorial once before actually performing it on your Android device.
- This tutorial is only for installing Android 6.0 CM13 ROM on OnePlus One. Please do not try on any other One variants.
- Your phone should have a custom recovery installed in order to install this CM13 ROM on your phone.
- We will be using TWRP Recovery for this tutorial.
- This tutorial will wipe out all your data. Make sure you backup all your data in your phone before proceeding.
- Perform a Dalvik Cache wipe before proceeding from the Recovery Mode.
Complete Step-By-Step Instructions:
Step 2 – Connect and mount your OnePlus One USB memory to your computer using the USB cable.
Step 3 – Now copy/paste the downloaded Android 6.0 ROM zip and Google Apps zip files to your phone memory / SD card. Make sure the files are in the phone memory / SD card root (not in any folder).
Step 4 – Then turn OFF your phone and disconnect from the USB cable.
Step 5 – Now to get in the Recovery Mode. Switch ON the phone while pressing and holding Volume Down + Power buttons together. Alternatively, read this: How to Enter Recovery Mode on Any Android Phone.
NOTE: Screenshots of the Team Win Recovery Project (TWRP Recovery) may change as new versions are released.
Step 6 – Once you are in TWRP Recovery, perform a full data wipe by tapping on the ‘Wipe’ button. Then swipe on the “Swipe to Factory Reset” option at the bottom.
Step 8 – Confirm installation on the next screen by swiping on the “Swipe to Confirm Flash” option. The installation procedure should start now as show below.
Step 10 – Tap on the “Wipe cache/dalvik” button if you get into any boot loops or other issues.
Step 11 – You can now reboot your phone by selecting the “Reboot System” button.
Your One will boot now and it might take about 5 minutes to boot on your first time after flashing a new ROM. So, please wait.
That’s it! Your OnePlus One should now have Android 6.0 CM13 Marshmallow custom ROM installed on your phone! Go to Settings > About phone to verify.
If you run into any problems, feel free to drop us a comment below and we will reply you back ASAP with the fix or the solution to your problem.