Need help? Visit http://isp.t-mobile.com/support or call T-Mobile customer service at 1-844-275-9310. 38
1. Click the PIN Management switch on and see that Pin Management is now active.
2. Enter a 4 digit PIN in the range 0000-9999.
3. Choose to switch on Pin Lock or not. When active, if an incorrect PIN is entered 3 times
the SIM Card will be locked.
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