Follow the steps below on how to enable and disable the keypad lock on the IsatPhone Pro and Isatphone 2.

Solution 1: Enable keypad lock

1. Press the "Menu" key.
2. Highlight "Settings" and press the "Select" key.
3. Highlight "Security" and press the "Select" key.
4. Highlight "Automatic keypad lock" and press the "Select" key.
5. Highlight the time interval you want to use and press the "OK" key.

Solution 2: Disable the keypad lock

1. Press the "Menu" key.
2. Highlight "Settings" and press the "Select" key.
3. Highlight "Security" and press the "Select" key.
4. Highlight "Automatic keypad lock" and press the "Select" key.
5. Highlight "Off" and press the "OK" key.