Hello all,
we just released CCX 400, 500, 600 Software 6.2.22.0185 >here<
The CCX 400 support page holds a USB Stick software in case the device runs software 1.0.0 or 1.0.1
Update CCX 400 Phones from Version 1.0.0 or 1.0.1 to 6.2.22
Important: Don’t use these instructions to update CCX 400 phones running CCX 6.2.11 or higher.
These instructions are only for CCX 400 phones running CCX 400 1.0.0 or 1.0.1.
Use a FAT32 formatted USB flash drive to update CCX 400 phones from version 1.0.0 or 1.0.1 to 6.2.22.
1. Download the CCX 400 update file (CCX400-1.0.X_to_PolyUCS6.2.22.0185-USB-Upgrade.zip) from
the Poly Online Support Center.
2. Rename the file to fv_update.zip.
3. Transfer the file to a FAT32 formatted USB flash drive.
4. Connect the USB flash drive to the CCX 400 USB port.
5. At the prompt, verify that the current version is one of the following:
1.0.0.0200
1.0.1.0054
6. Press Update.
The update completes in approximately 10 minutes.
7. Once the update completes, press OK.
The phone reboots and displays the phone setup wizard.
8. Change the administrator password and complete the setup wizard.
9. Sign in to Teams.