The device lock protects your P910 against unauthorized use. To activate the device lock: 1. Select Control panel > Device > Locks 2. Select a lock option 3. Select Done The default device lock code is ‘0000’, but you can change the code to any four to eight digit personal code. To do that select Control panel > Device > Locks > Change Codes. You can choose to have the P910 locked every time you turn it on, when the SIM card has been changed, or unlocked. It is also possible to have the device lock activated when the screen saver goes on. Just select Control panel > Device > Display > Screen and mark the checkbox Screen saver device lock.

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