HTC Smart User Manual - Page 121
Protecting your SIM card with a PIN, Unblocking a SIM card that has been locked out
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Chapter 9 Managing Your Phone 121 Protecting your SIM card with a PIN 1. From the main Home screen, press MENU, and then tap Settings > Security > PIN code. 2. Enter the current SIM card PIN, and then tap OK. Note Emergency calls can be placed at any time, without requiring a PIN. Unblocking a SIM card that has been locked out If you enter the wrong PIN more times than the maximum number of attempts allowed, your SIM card will be locked. You need a PUK code (PIN Unlocking Key) to restore access. This code may have been provided when you received your SIM card. If the PUK code is not provided or you lost it, contact your mobile operator. 1. Enter the PUK code, and then tap OK. 2. Enter a new PIN, and then tap OK. 3. Confirm your new PIN, and then tap OK. Removing the SIM card properly 1. Turn off your phone, and then remove the back cover and battery. If you're not sure how to remove them, see "Before Turning On Your Phone" in Chapter 1. 2. With your right thumb, press down the small tab located at the right side of the SIM card slot. 3. With your left thumb, slide the SIM card out from the slot. Small tab