Iridium extreme ptt User Manual page 172

Reset Phone Options to Factory Defaults
This capability resets all settings to their original default settings.
166 Iridium Extreme® PTT User Manual
Menu
Data Modem
Call History
Setup
Security
Help
Select Back
Setup
Reset to defaults
Select
Back
Starting from the Main Menu:
1. Use the 2-way Navi-key
to scroll until Setup is
highlighted.
2. Press the left soft key,
labeled Select.
3. Use the 2-way Navi-key to
scroll past the Key Setup
option until Reset to
defaults is highlighted.
4. Press the left soft key,
labeled Select.