If you haven’t unlocked the bootloader, check this out first:
OnePlus 2 TWRP Recovery | File: Recovery TWRP.img (25.3 MB)
PS: Don’t try this on OnePlus One any other device whatsoever!
> Enable USB debugging from developer options once again.
> Download the TWRP recovery file (Recovery TWRP.img) and SuperSU root package file fromabove.
> Transfer the root package file (SuperSU) to OnePlus 2.
> On PC, rename the TWRP file to this name: op2-twrp.img
> Boot your OnePlus 2 into bootloader mode. Just follow the first paragraph there. (Make sure you have backed up all important data as you’ll lose everything on phone in the steps below.)
> Connect your OnePlus 2 — in bootloader mode — to PC. Let the driver install.
Open a command window on your PC in the folder where you have the op2-twrp.img file.
You will see a command window open up, with location directed to folder where you have theop2-twrp.img file.
Let’s confirm whether fastboot is working. With OnePlus 2 connected to PC, run the following command in command window. You should get a serial no. with fastboot written after it. If not,you need to reinstall the fastboot drivers from above.
> Flash TWRP recovery on your OnePlus 2 by running the following command.
fastboot flash recovery op2-twrp.img
> Boot TWRP recovery on your OnePlus 2 now. For this, run the following command.
fastboot boot recovery op2-twrp.img
That’s it. you’re done 🙂