Turning silent mode on my mobile phone on or off
Turning use of phone lock code on my mobile phone on or off
Copying contacts between my SIM and my mobile phone
Saving my voicemail number
Writing and sending SMS
Want to change the phone lock code for your mobile phone? It's easy, but you need to turn on the phone lock code before you can change the phone lock code.
Find "Change Passcode"
Tap Passcode Lock.
Tap Change Passcode.
Change phone lock code
Key in the current phone lock code.
Key in a new phone lock code.
Key in the new phone lock code again.
Tap the Home key to return to standby mode.
Tap anywhere to dismiss
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