Factory Reset 4/17/2019 Factory Reset for Zebra TC70x Android Handheld A simple how-to guide on how to perform a Factory Reset of a Zebra TC70x Android Handheld barcode scanner. Navigating the Android Recovery Mode and using the Android Device Bridge (ADB) can be a daunting task if you have never done it before. Follow this guide which should help you get back to using your device.