Pin And Puk; Locking And Unlocking The Keypad - Huawei U2805 User Manual

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
standby mode. To unlock the keypad, press
(OK) in quick succession.
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.
When the keypad is locked, you can press
to answer a call or
(OK) or
for about 3 seconds in
to make an emergency call.
7
.
(Unlock) then
(Answer) or