Thank you for reaching out to us and apologies for the inconvenience.
Put your device on safe mode. Safe Mode is when your phone is returned to its default settings, so that you can find out if a third party application is causing your device to run slow, reset or just run slow in general. This does not delete any information on your device.
When Safe Mode is active, you will see "Safe Mode" appear in the bottom left corner of your screen.
- Power off your device.
- Power on your device.
- When the Samsung logo appears by itself, press and hold the Volume down key.
- The device will switch on in Safe mode. "Safe mode" will be displayed on the bottom left of the screen.