PIN to Protect My SIM Card on your ZTE Z799VL
- From the main screen, tap the "Apps" icon.
- Slide the screen up to reveal more options. Tap the "Settings" icon.
- Slide the screen up to reveal more options. Tap "Security."
- Tap "Set up SIM card lock."
- Tap "Lock SIM card."
- You will be prompted to enter a PIN. The default PIN is 1111 or 1234. Tap "OK."
- To return to the main screen, press the HOME key.
- Congratulations, you've finished this tutorial.