Error message

Deprecated function: The behavior of unparenthesized expressions containing both '.' and '+'/'-' will change in PHP 8: '+'/'-' will take a higher precedence in include_once() (line 1442 of includes/bootstrap.inc).

Reset My Samsung Galaxy Tab 3

Reset My Samsung Galaxy Tab 3

Step 1:
Make a backup. Be aware you may lose data in the process of resetting your mobile device.

Step 2:
Power off the tablet, Press and hold the Home button, the Volume Up button and the Power button.
When you see the Samsung logo release the Power button. Now you are in the Androyd recovery menu. Use the volume keys to scroll and the Power key to choose.
Select Wipe data / factory reset, select yes - erase all user data and then select reboot system now.

Huawei

Nokia