Pin And Puk; Locking The Keypad - Huawei G1157 User Manual

PIN and PUK

The personal identification number (PIN) protects
your SIM card from unauthorized use. The PIN
unblocking key (PUK) can unlock the blocked PIN.
Both PIN and PUK are delivered with the SIM card. For
details, consult your service provider.
If you enter wrong PINs for a specified number of
times consecutively, the phone asks you to enter the
PUK. If you enter wrong PUKs for a specified number
of times consecutively, the SIM card is invalidated
permanently. Contact your service provider for a new
one.

Locking the Keypad

In standby mode, press and hold
lock the keypad. To unlock the keypad, press
and then
If the Keypad lock function is enabled and the phone
is idle for a preset period in standby mode, the keypad
is locked automatically.
When the keypad is locked, you can press
to answer an incoming call or make emergency
calls.
in succession.
14
for about 3s to