Iridium extreme ptt User Manual page 209

Problem
Your SIM card is
inserted in the phone
but the display says:
Check Card or
Insert Card or
Blocked
Your phone is
displaying an
unknown foreign
language and you
would like to restore
it to its original
setting.
Solution
Check Card or Insert Card
Check that the SIM card has been inserted
correctly. The contacts of the SIM card may be
dirty. Turn the phone off, remove the SIM card
and rub the contacts with a clean cloth. Replace
the card in the phone.
Blocked
Enter the PIN unblocking key or contact your
service provider. See "Call Barring PIN" on p. 198
for additional information.
• Power on the phone.
1. Press the red key three times.
2. Press the left soft key.
3. Scroll down six times.
4. Press the left soft key again.
5. Scroll down four times
6. Press the left soft key and then press it a
second time. The English option is at the
top so press the left soft key a final time to
confirm change back to English.
Iridium Extreme® PTT User Manual 203