6. Click the trackball.
Note: If you type the SIM card PIN code incorrectly three times, your SIM card does not function. Contact your wireless service provider
for more information.
Change the SIM card PIN code
Verify that you have turned on SIM card PIN code security.
In the device options, click Advanced Options.
2. Click SIM Card.
3. Press the Menu key.
4. Click Change PIN2 Code.