If your device freezes, stops responding, or is stuck with the screen on, one of the steps below may fix the issue.
1) Reboot your device to give it a fresh start.
2) Update Remix OS to the latest version.
3) Update your applications to their latest versions.
4) Force stop the App you are not using: ‘Settings > Applications > Select the app > Tap Force stop’.
5) Wipe the cache partition in Recovery Mode.