LG Spirit 4G MS870 Owner's Manual page 306

performing a factory reset.
Battery installing
Q Phone locked up and does not function
A Remove the battery and install it to
restart your phone again. (similar to how
you may restart your PC/ computer).
Power Reset
Q Phone locked up and does not function
A In the case of a malfunction or lock up
error, press and hold the Power/Lock
Key
phone.
for 8 seconds to reset the
FAQ / Recovery Solution ( 2 / 2 )