CAT B25 - 12.3 Security setup; 12.3.1 SIM security setup; 12.3.2 SIM lock; 12.3.3 Fixed dial

12.3 Security setup
12.3.1 SIM security setup
12.3.2 SIM lock
12.3.3 Fixed dial
12.3.4 Barred dial
12.3.5 Change password
12.3.6 Phone lock
12.3.7 Auto Keyboard lock
12.3.8 Change password
12.3.9 Restore factory settings
13 Writing Language/Input Method
13.1 Overview
13.2 Key definitions
13.3 Instructions on input method
13.3.1 e.g. English Writing Language
13.3.1.1 Using the keypad
13.3.2 Number
13.4 Using the keypad
13.5 Symbol
Frequently Asked Questions
Maintenance guideline
Important Product Information Guide