Upgrading the Firmware of IP Phones Network-Wide With 3CX v9 SP4

3CX Phone System Version 9 features the ability to easily upgrade your IP Phone’s firmware network wide. This is done using the Phone Provisioning node located in the “Settings” section.


  • Download the latest firmware available for your phone model.
  • It is recommended to use 3CX Tested firmwares
  • 3CXPhone System Version 9 SP4 and up is required

You can upgrade firmwares for the following phones – click on each link to see specific information how to upgrade the phones firmware:

Upgrading firmwares for popular phones from the 3CX Management console. For detailed instructions, see the links for each vendor above.