There are multiple ways to reset your device if you are experiencing issues. Power cycling your device is the first step. In this tutorial, you will learn how to:
• Power cycle your device
• Restart your device
• Reset network settings
• Perform a factory data reset
• Perform an alternate master reset
Power cycle your device
Press and hold the Power/Lock button, then select Power off. To turn the device back on, press and hold the Power/Lock button until the screen lights up.
![step 1](https://www.att.com/devicehowtomedia/image/sonim_xp8/os8/9006185_01.jpg)
Restart your device
If a power cycle does not resolve your issue, perform a device restart. Press and hold the Power/Lock button, then select Restart.
Note: If you are unable to turn your device off, remove and re-insert the battery. For more information on removing and re-inserting the battery, please see the Phone Assembly tutorial.
![step 2](https://www.att.com/devicehowtomedia/image/sonim_xp8/os8/9006185_02.jpg)
Reset network settings
If you are having connectivity issues, you can try resetting your network settings. Swipe down from the
Notification bar and select the
Settings icon > Scroll to and select
System >
Reset options >
Reset Wi-Fi, mobile & Bluetooth >
RESET SETTINGS > select
RESET SETTINGS again to confirm.
Note: Resetting your network settings deletes previously associated Wi-Fi networks, security passcodes, Bluetooth devices and cellular network data settings.
![Image 3](https://www.att.com/devicehowtomedia/image/sonim_xp8/os8/9006185_03.jpg)
Factory data reset
1. If a restart does not resolve your issue, you may need to perform a Factory data reset (Master reset). This will erase all data on your device and restore it to factory settings. To Factory data reset your device, swipe down from the
Notification bar with two fingers then select the
Settings icon >
 Scroll to and select
System >
Reset options > select
Erase all data (factory reset).
Note: A Factory data reset will revert the device back to factory settings. It will permanently erase all personal data, preferences, settings and content such as pictures, ringtones and apps that are saved to the device. It is recommended that you save (backup) important data before proceeding.
![Image 4](https://www.att.com/devicehowtomedia/image/sonim_xp8/os8/9006185_04.jpg)
2. SelectÂ
RESET PHONE, then select
ERASE EVERYTHINGÂ to confirm.
![Image 5](https://www.att.com/devicehowtomedia/image/sonim_xp8/os8/9006185_05.jpg)
Alternate reset
1. If unable to perform the standard ‘Factory data reset’ using the above steps, try the Alternate method by first powering the device off. With the device powered off, press and hold the
Volume up and
Power/Lock buttons. Release the
Power/Lock button quickly when the device vibrates. Release the
Volume up button when the Android icon and 'No command' appears on the screen.
![Image 6](https://www.att.com/devicehowtomedia/image/sonim_xp8/os8/9006185_06.jpg)
2. Press and hold the
Power/Lock button, then press and release the
Volume up button. Release the
Power/Lock button when the Android Recovery screen appears.
![image 7](https://www.att.com/devicehowtomedia/image/sonim_xp8/os8/9006185_07.jpg)
3. Press the
Volume down button to scroll toÂ
Wipe data/factory reset, then press the
Power/Lock button to select.Â
![Image 8](https://www.att.com/devicehowtomedia/image/sonim_xp8/os8/9006185_08.jpg)
4. Press the
Volume down button to highlight
Yes, then press the
Power/Lock button to select.
![Image 9](https://www.att.com/devicehowtomedia/image/sonim_xp8/os8/9006185_09.jpg)
5. With
Reboot system now highlighted, press the
Power/Lock button to restart the device.
Note: The device will take a moment to reset.
![step 10](https://www.att.com/devicehowtomedia/image/sonim_xp8/os8/9006185_10.jpg)