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If use of lock code is turned on, it needs to be keyed in when you turn on your device. Follow these instructions to change the lock code.
You need to turn on use of lock code before you can change it. Click here for information on how to turn on use of lock code.
1. Find "Change screen lock"
2. Change lock code
Press Pattern, PIN or Password.
Follow the instructions on the display to change the lock code.