Pin And Puk; Locking And Unlocking The Keypad - Huawei U5130 User Manual

press
to any combination of four to eight digits.
If you forget the unlock code, contact your service provider.

PIN and PUK

The personal identification number (PIN) protects your SIM/USIM
card from unauthorized use. The PIN unblocking key (PUK) unlocks
a blocked PIN. Both the PIN and PUK are provided with the
SIM/USIM card. For more information, contact your service
provider.
To enable the PIN lock:
In standby mode, choose Menu > Settings > Security settings >
1.
SIM security > PIN lock.
Enter the PIN, and press
2.
If you enter the incorrect PIN a specified number of times (varies by
service provider), the phone prompts you to enter the PUK.
If you enter the incorrect PUK a specified number of times (varies
by service provider), the SIM/USIM card is permanently locked. If
this occurs, contact your service provider for a new SIM/USIM card.

Locking and unlocking the keypad

To lock the keypad, press and hold
in standby mode. To unlock the keypad, press
then
If the Auto keypad lock function is enabled, the phone locks the
keypad after being idle in standby mode for a predefined period of
time.
(On). You can change the default unlock code (1234)
(OK) in quick succession.
(OK) or
7
.
for about 3 seconds
(Unlock)