There are several methods depending on your device:
- If you have a physical reset hole on your device. Simply press a suitable tool (such as a paperclip) through the hole to press the button and press once to turn off your device. Then simply turn on your device.
- If you do not have a physical reset button. Simply press and hold the power button on your device for 10 seconds. Your device will turn off, you can tehn turn it back on.
- If the battery of your device is removable. You can remove it and then re-insert it.Then simply turn on your device.