Please follow the recommended troubleshooting steps to resolve your concern:
1. Turn off GPS, Bluetooth, hot spot, WiFi and Auto-sync when not in use.
2. Turn on auto-brightness adjust, set auto screen off less than 30 seconds.
3. Clear background Apps, tasks and clear caches regularly in phone manager.
4. Limit the App self-starting in phone manager-Privacy Permissions-Startup Manager-choose the App you want to limit.
5. Not receive the useless notification in Setting-Notification and Status Bar-Manage Notifications.
6. Use the phone under good Internet conditions.
7. Open power save mode in setting-Battery-Power Saving or Smart Power Saver.
8. Add games in Game Space and enable the Competitive mode.
We hope this will help you. Further, if the issue persists kindly let us know.
We hope this will help you. If the issue persists, kindly let us know by writing an email at firstname.lastname@example.org