How to factory reset HUAWEI UM840? How to wipe all data in HUAWEI UM840? How to bypass screen lock in HUAWEI UM840? How to restore defaults in HUAWEI UM840?
The following tutorial shows all method of master reset HUAWEI UM840. Check out how to accomplish hard reset by hardware keys and Android 2.1 Eclair settings. As a result your HUAWEI UM840 will be as new and your core will run faster.