If your Android device shows an error reading "System UI isn't responding," we've got several tips you can try to get things working smoothly again.

Clearing the cache and data for the System UI can resolve issues caused by corrupt or outdated files. Open Settings: Navigate to the “Settings” menu on your device.

We recommend always updating your phone to the latest software update. It is very likely to fix major issues like the System UI not responding or the Moto Peek display not working.

Some users are reporting that their Samsung Galaxy displays are unresponsive following an update to One UI 6.1. As it turns out, this might be due to third-party displays.