Marshmallow with nearly flawless experience. You will find the same
exact experience you would find on the new Nexus 6P right on your
Follow our guide below to download the VM13 Rom and install it yourself.
The VM13 ROM runs fast, no reboots, and seems to run flawless in my 48 hour of daily driving.
The camera is a bit buggy but I found still camera works fine if you use
the default AOSP camera and use Google Camera for video recording. You
may find some force closing of the camera app but it only happens after
you take the photo.
How to Install VM13 ROM Android 6.0 Marshmallow On One Plus One:
•Download Android 6.0 Marshmallow ROM (VM13) for OnePlus One
•Download Firmware Update (you may need this if you get error while installing)
•Download Android 6.0 Gapps
•Download SuperSU (You have to flash this to get ROOT!)
•Download Twrp Recovery For OnePlus One
Reboot into TWRP recovery, format /system, /data, /cache, /dalvik-cache,
install the firmware upgrade zip file, install the ROM, install the
Gapps, install SuperSU, then reboot.
If you are getting errors and never installed Marshmallow ROM before,
you may need to flash firmware update, download firmware update and
install with TWRP recovery before installing ROM.
That’s it! Your One Plus One should now have the VM13 ROM Marshmallow on your phone! Go to Settings > About phone to verify