Huawei U8110 User Manual - Manual (Page 156)

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Managing Your Mobile Phone
4. To change the SIM card PIN at any time, touch Change SIM
PIN.
Note:
You can dial emergency numbers any time from your mobile phone.
Protecting Your Mobile Phone with a Screen Lock
To keep your data more secure, lock the screen and/or require
a screen unlock pattern every time your mobile phone is turned
on or wakes up from sleep mode.
1. On the Settings screen, touch Location & security > Set
unlock pattern.
2. Connect at least four dots in a vertical, horizontal and/or
diagonal direction, and then lift your finger from the screen
when complete.
You must flick your finger on the screen to create the pattern and not
touch individual dots.
3. Your mobile phone will record the pattern. Touch Continue.
4. When prompted, draw the screen unlock pattern again, and
then touch Confirm.