Iridium 9555 - How to Adjust the Volume

You can adjust the ringer volume and in-call audio volume on your Iridium 9555 using the device menu or side keys. Follow the steps below based on your current usage.

To Adjust Ringer Volume (When Not on a Call):

1. From the home screen, press the Menu key.
2. Scroll to Settings and press Select.
3. Choose Tones or Volume (depending on your software version).
4. Use the up (▲) or down (▼) buttons to adjust the ringer volume.
5. Press OK to confirm your setting.

To Adjust Volume Using the Side Volume Keys:

1. Use the up (▲) or down (▼) buttons on the left side of the phone.
2. The screen will show the current volume level as you adjust.
3. Release the button when you reach your preferred volume.