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As the computing environment evolves, new capabilities and features become possible, and the modem's firmware (internal programming) must be updated to support these changes. The PTC family of Pactor modems uses advanced state-of-the-art technology that makes it possible for customers to update the internal modem programming, letting you keep your product functionality current with new product being sold. 

As with most computer-related tasks, there are several ways to update the modem firmware, but probably the easiest is to use the firmware update utility screen included in Airmail. To use this utility follow these steps:

  1. From the modem models listed below left-click on the link that matches your modem model.
  2. Click on save when you see the screen that asks if you want to run, save, or cancel.
  3. save the .zip or .exe file on your computer. Remember where you save the .zip or .exe file you just downloaded.
  4. unzip or execute the .zip / .exe file.
  5. Cut or copy the unzipped firmware file.
  6. Browse to the Airmail program folder on your computer (Hint: Normally the Airmail program is installed in the Program Files folded located on your "C" drive).
  7.  paste  the unzipped firmware file into the Airmail program folder.
  8. With the modem connected to your computer, turn on the modem and start the Airmail program.
  9. When in Airmail's Message Index Screen on the toolbar click on tools >  update ptc-ii firmware Airmail will read the firmware version currently installed in your modem and then search the Airmail program folder for a newer version.
  10.  If Airmail finds a newer firmware version in the Airmail folder, the start update button will become active (not grayed out).
  11. Click on the start update button, and the rest is automatic. Leave the modem and computer alone for a few minutes while Airmail uploads the new firmware into your modem, verifies the upload, and then writes the updated firmware into the modems memory. The whole process may take a minute or two, so be sure not to disturb the computer or turn off the modem until normal modem behavior has returned.

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