Dell Venue Pro User's Guide - Page 48
You must type the Personal Unblocking Key PUK to, To enable SIM PIN - unlock
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SIM security Protect your SIM card against unauthorized use with a personal identification number (PIN). After a PIN is enabled to lock your SIM, you will need to type the PIN each time you turn on the phone in order to unlock your SIM. NOTE: The SIM card is permanently locked if you type the incorrect PIN for three consecutive times. You must type the Personal Unblocking Key (PUK) to unlock the SIM card. Contact your service provider to obtain the PUK. NOTE: You can make emergency calls without unlocking the SIM. To enable SIM PIN: 1 Touch or drag the toggle switch to turn on SIM security. 2 Type PIN into the phone then touch enter. • To change SIM PIN: 1 Touch the change SIM PIN button. 2 Type the current SIM PIN then touch enter. 3 Type the new SIM PIN twice then touch enter. 48 Communicating With People Using Your Dell™ Venue Pro