How To Reboot Frozen Samsung Phone
If your device is frozen and unresponsive, press and hold the Power button and the Volume button down simultaneously for more than 7 seconds to restart it.
If after restarting the device you still find your device freezes sometimes or is sometimes unresponsive, there are some actions you can try to help correct this symptom:
If the problem is still not resolved, contact a Samsung Service Centre.
If you're experiencing unusual behaviour on Samsung mobiles, tablets or wearables, you can send us an error report or ask us a question in the Samsung Members app.
This allows us to a closer look at what is happening. The data is anonymised and only held for the duration of the investigation. Find out more about sending an error report through the Samsung Members app.