Drain the battery completely. This means using your device until it powers down by its own and the battery level reads 0%. Charge the phone until it reaches 100%. Be sure to use original charging
For any and all other problems, the first step is to quickly reboot your OnePlus 7 Pro. Whether that’s screen glitches or rotation, app crashes, battery drain, overheating, lag, or other minor I show how to fix a OnePlus phone that is stuck in a boot loop, constantly restarting (keeps restarting) or stuck on the OnePlus Logo. This should work on the OnePlus 5t, OnePlus 6, 6t, pMCTphk.