190 FAQ
Category Sub-Category Question Answer
Recovery
Solution
Factory Reset
How can I perform a
factory reset if I can’t
access the phone’s
setting menu?
How to perform a factory reset:
1. Turn the power off.
2. Press and hold the following keys at
the same time:
Power/Lock Key + the down
Volume Key.
3. Release the Power/Lock Key and
the volume keys when you see
the screen message "Permanently
Erase User Data & Reset Settings?
Press the Power key to confirm and
any other key to cancel." The first
message will be displayed in 10 to
12 seconds.
4. Press the Power/Lock Key to
confirm (or press any other key to
cancel).
When you press the Power/Lock Key
to confirm, a pop-up appears
asking "Are you sure you want to
continue with erase?".
5. Press the Power/Lock Key and
your phone will be restored to the
factory settings. To cancel, press any
other key.
Attention:
If a factory reset is performed, all
installed applications and user data
will be erased. Please remember to
back up any important data before
performing a factory reset.
Battery
installing
Phone locked-up and
does not function
Remove the battery and install it to
restart your phone again. (similar
to how you may restart your PC/
computer).
Power Reset
In the case of a malfunction or lock up
error, press and hold the Power/Lock
Key for 8 seconds to reset the phone.