Oneplus 2 hard reset using buttons

How to reset your password or unlock pattern on OnePLUS 2 mobile

Back up all your important files and information, as the process may erase all data.

On OxygenOS - Power off your device Press and hold volume down + Power button. ( device will boot into recovery mode ) Select Language Select Wipe data and cache > Wipe data and cache and tap Yes Now Reboot system from " Reboot" option.
   

On Cyanogen OS - Power off your device Press and hold volume down + Power button. ( device will boot into recovery mode ) Select Wipe data/factory reset > Yes-- delete all user data Select Wipe cache partition ( You'll notice Android bot with erasing... for a second ) Select Reboot system now

 

OnePlus2 slow or doing random reboots

What shall I do if my OnePlus two mobile freezing?

Make sure if your device is up to date. If the issue persists, please back up your device and perform a hard reset.