Iridium 9555 - How to Lock and Unlock the Keypad

This feature prevents accidental calls or button presses while your Iridium 9555 phone is in your pocket or bag. 

Important:

• All keys with the exception of the power key are locked. 
• You can answering incoming calls by pressing the green key, while the keypad is locked. 

To Lock the Keypad:

1. Press the left soft key for Menu.

2. Press and hold the * key until the screen says Keypad Locked.

3. The Main Screen will now have a lock symbol.

To Unlock the Keypad:

1. Press the left soft key to Unlock. 

2. Press and hold the * key until the screen says Keypad UnLocked.

3. The lock symbol should no longer appear on the Main Screen.