Phone Lock; Locking The Keypad - Huawei C7100 User Manual

If the headset is connected to the phone, you can press the button
on the headset cable to answer or end a call.

Phone Lock

The phone lock protects your phone from unauthorized use. The
default phone lock code is 000000. You can change it into any
numeric string of 4 to 8 digits.
If the phone lock is enabled, you need to enter the correct phone lock
code when the phone is powered on.
PIN and PUK
The personal identity number (PIN) protects your UIM card from
unauthorized use. The PIN unlocking key (PUK) can unblock the
blocked PIN. Both PIN and PUK are delivered with the UIM card.
For details, contact your service provider.
If you enter wrong PINs for a specified number of times
consecutively, the phone asks you to enter the PUK code.
If you enter wrong PUKs for a specified number of times
consecutively, the UIM card is invalidated permanently. Contact your
service provider for a new card.

Locking the Keypad

In the standby mode, press and hold
the keypad. When the keypad is locked, press
incoming calls or make emergency calls.
You can press and to unlock the keypad.
When the keyguard function is enabled, if there is no operation on
the phone for a preset period, the keypad is locked automatically.
9
or click to lock
to answer