Iridium 9555 - User Manual

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Questions and Answers

K
Katherine SinghAug 29, 2025
Why does the battery drain so fast on my Iridium Telephone?
- G
  gfoxAug 30, 2025
  Several factors can cause your Iridium Telephone battery to drain faster than normal: * Using the phone in areas with variable coverage can increase battery usage. * Ensure your antenna is fully extended and correctly angled with a clear view of the sky to conserve battery power. * New batteries may require two to three charge/discharge cycles to reach normal performance. * Old batteries decline in performance over time and may need replacement. * Allow the battery to fully discharge periodically, then charge it overnight. * Extreme temperatures can significantly reduce battery performance.
J
Jacqueline MillerAug 28, 2025
Why can't I make calls on my Iridium Telephone?
- J
  Jeffrey MillerAug 28, 2025
  If you're unable to make calls on your Iridium Telephone, consider the following: * Ensure the antenna is fully extended and correctly angled, with a clear view of the sky. * Verify that you're entering the number in international format. * Check the signal strength indicator and move to a location with a clear line of sight to the sky. * Confirm that 'Restricted' isn't displayed, and check your Call Barring settings. * If a new SIM card has been inserted, ensure no new restrictions are in place. * Check if your fixed dialing list is enabled, as this limits calls to numbers on that list.
A
Amanda HallAug 27, 2025
What to do if the battery won’t charge on my Iridium Telephone?
- J
  James WellsAug 27, 2025
  If the battery won’t charge on your Iridium Telephone, check if the charger is properly connected and its contacts are clean and dry. Also, inspect the battery contacts to ensure they are clean and dry. If the battery is warm, let it cool before charging. If it is an old battery, consider replacing it. Ensure you have an Iridium approved battery installed; an 'Invalid Batt' display indicates it won't charge.
B
brooksashleyAug 26, 2025
Why I can't make calls on my Iridium Telephone?
- G
  gabriellerobinsonAug 27, 2025
  If you're unable to make calls on your Iridium Telephone, consider the following: * Ensure the antenna is fully extended and correctly angled, with a clear view of the sky. * Verify that you've entered the number in international format. * Check the signal strength indicator; a weak signal requires a clear line of sight to the sky, free from obstructions. * If 'Restricted' is displayed, check the Call Barring setting. * If a new SIM card has been inserted, ensure no new restrictions have been imposed. * Check if your fixed dialing list is enabled, as this limits calls to numbers on the list.
T
Tammy SkinnerAug 25, 2025
How to make international calls with Iridium Telephone?
- S
  sperezAug 26, 2025
  To make international calls with your Iridium Telephone, ensure you include the relevant codes. Enter '00' or '+' followed by the appropriate country code and the phone number.
C
Carmen CurtisAug 25, 2025
Why does my Iridium Telephone say 'Check Card' or 'Insert Card'?
- C
  cbowenAug 25, 2025
  If your Iridium Telephone displays 'Check Card', 'Insert Card', or 'Blocked': * Ensure the SIM card is correctly inserted. * Clean the SIM card contacts with a clean cloth. * If 'Blocked' is displayed, enter the PIN unblocking key or contact your service provider.