Getac PS336 业主指南
Locking Your SIM Card (Select Models Only)
You can set a PIN (Personal Identification Number) code to protect your SIM
card against unauthorized use. (Your mobile phone network operator may
have already set a PIN for the SIM card.)
card against unauthorized use. (Your mobile phone network operator may
have already set a PIN for the SIM card.)
By default, your device does not enable PIN security. To enable the security
or change the PIN, tap
or change the PIN, tap
Settings Personal Phone Security.