Customizing Your Device
October 21, 2003 T-Mobile Sidekick Owner’s Manual 44
To lock your SIM, do the following:
1 From the Jump screen, press Menu then select Settings > Key Guard & Security to open the Key Guard
& Security screen.
2 Scroll to the SIM Card Lock group box:
3 Highlight and press the Enable SIM Lock... button. The Enable SIM Lock dialog box appears:
4 Type your PIN and select Enable [ ]. You’ll receive a confirmation dialog box that your SIM card is now
locked. Now, you will be prompted to type your SIM PIN whenever you unlock key guard.
Unlock Your SIM Card
1 To unlock your SIM card, from the Key Guard & Security screen, press the Disable SIM Lock... button:
The Unlock SIM dialog box appears.
2 Type your PIN, then select OK. Your SIM card is unlocked.
Change Your SIM PIN
If you have SIM Lock enabled, then you can change your SIM PIN. (Check with T-Mobile Customer Care to
determine if there is a default SIM PIN.)
1 From the Key Guard & Security screen, scroll to the SIM Card Lock group box:
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