Android 6 Marshmallow is already out there in market for Nexus devices now. But a senior XDA developer released the unofficial CynogenMod CM13 Android Marshmallow (v6) Custom ROM for Oneplus One Android smartphone. Android M has lot many cool features and CM ROM has added to its basic features as well. So if you want to update your phone with CM13 ROM you can follow the given below steps for a rooted phone with TWRP recovery.

This guideline exclusively for Oneplus One users, other phone users are requested not to follow this. Not even Oneplus Two users. Make sure your data is properly backed up before you proceed. Follow all these steps carefully as we do not take responsibilities for any damage. Proceed with safety and caution. Also, CM13 is an experimental test build (alpha) so it might be buggy.

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Steps to install CM 13 V6.0 Android M Custom ROM on Oneplus One

Step 1: You need to root your Oneplus Onewith TWRP recovery mode. Then proceed further.

Step 2: Download the CM13 Android v6.0 M custom ROM from here and save this file on your phone’s internal memory.

Step 3: Download the Android Marshmallow compatible Google Apps from here.

Step 4: Once both the files are downloaded boot your phone with TWRP Recovery Mode by turning off your phone while pressing Power button and Volume Down button simultaneously.

Step 5: From TWRP recovery menu go to Wipe and select Advanced Wipe.


Step 6: Now select Dalvik Cache, Data and Cache and Swipe to Wipe. (Do not select internal storage)

Step 7: Now go back to main menu and browse for the zip files you download and then install them.

Step 8: Select CM 13 file and then slect Add more zips option and select > Swipe to flash.

Step 9: Wait for device to be flashed completely and select Wipe Cache & Dalvik.

Step 10: Now go back and then Reboot your phone.

It will take some time to reboot and then you are ready to use CM 13 Android 6 Custom ROM on you Oneplus One.

Let us know in the comment section below how well did it work for you and what problems did you face while installing, rebboting. Also let us know about the first impressions of CM 13 Android 6 Custom ROM.

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