O2 XDA Terra hard reset

[Service Team]

Before you buy a new cell phone or new tablet, please try the following procedure to repair your device. First charge your battery, backup your important data if possible and in most cases take out SIM and SD card. It is impossible to recover your data after doing a hard reset, so online backup is always important. You can also backup your data on your hard drive or a raid system.

Soft reset


Reset button Use the stylus to press the reset button to restart your phone



Restore to Default (Hard Reset)



Restoring to default will clear all data in the memory on the handset.
After system restart, the handset will return to factory default. Contacts,
tasks, calendar appointment, personal information, as well as additionally
installed applications/configuration will be cleared. You can sync the data
to the computer or copy to memory card prior to restoring to the default
settings to avoid the loss of data. This will avoid the lost of data.When
the handset malfunctions due to inappropriate controls, you can attempt
to restore to factory default.

When the system is unable to startup, you can try to use hard reset
to restore to default settings.We recommend that you contact our
customer service representatives before using this function in order
to avoid damages to your phone and data.

Action: Using the Restore to Default


Select > Settings


Select System


Select Restore to default


Launch restore to default application

[Service Team]

Enter 1234 Then select Yes



Please enter 1234 then select Yes. The phone will restart after resetting

Action: Hard Reset restore to default


Press & hold Power button Then select Yes


Turn off the phone
At the same time, press & hold the left/right
confirmation button plus the power button then press the Reset button


Simultaneously press and hold the left/right confirmation button
plus the power button, then use the stylus to push in the reset
button on left side of the unit

Press the Talk button to restore to defaults, or
press to cancel