Restore Time Settings for Iridium 9555 & Iridium Extreme

Restore Time Settings for Iridium 9555 & Iridium Extreme

1. Dial *#99#2014051114235500#
2. Press the green key
3. Power handset off
4. Power handset on
5. Allow the handset to register to the network
6. The handset will now display the correct time

Note: If the time displayed is incorrect, check your time zone settings by proceeding with the following

7. Press Menu 
8. Scroll to Setup and press Select
9. Scroll to Time & Date and press Select
10. Scroll to Select Time Zone and press Select
11. Choose the desired UTC time zone and press Select
12. The handset will now display the correct time