abhilash__r , via OnePlus 8T , Nov 29, 2021 : My one year old OnePlus 8t had this issue this morning Screen got stuck in app and I couldn't use power app to restart The screen was blacking out and turning on again This was repeating After 10 mins I had to hold power and volume up button to forcefully shut down device
psygarden , via OnePlus 8T Aquamarine Green , Nov 29, 2021 : Did the device restart normally after forced shut down.?
harshit.b. , via OnePlus 6 , Nov 29, 2021 : Have you ever had an issue while using this app or in general before ?
harshit.b. , via OnePlus 6 , Nov 30, 2021 : Might aswell clear cache of that app and clear the system cache from the recovery mode. It might or might not help you avoid facing this issue again.
puccellino , Nov 30, 2021 : In addition to clearing cache , if the problem continues, check which apps have updated recently and uninstall latest update.