Yongnuo YN622C-TX firmware

Firmware history

1. Version 1.17 Latest First seen Jul 11, 2026
   Show release notes Hide release notes

   Please download software/drivers here: http://www.hkyongnuo.com/e-detaily.php?ID=348

   2018/08/02 v1.15:

   compatibility with new hardware. (Please download the most update YN_Trigger_Updater software.)

   2017/12/01 v1.13:

   Fixed a few bugs introduced by v1.12 which wasn't released publicly.

   2017/08/03 v1.12:

   • Improved performance.
   • Improved key handling.

   2017/07/24 v1.11:

   Fixed: compatibility with EOS-M series mirrorless digit​al camera.

   2016/07/11 v1.10:

   Fixed: optimized YN685 Firmware Upgrade Proxy mode.

   2016/04/18 v1.09:

   • Added: YN685 Firmware Upgrade Proxy (Keep GR pressed and turn the device on).
   • Refer to YN685 Firmware Upgrade instructions.

   2015/07/20 v1.08:

   Fixed: compatible issues with YN622C/YN622C II.

   v1.07:

   Fixed: FEL didn't work with 7D MK II.

   v1.06:

   • Fixed: reduce power current for some version of PCB.​
   • Fixed: incorrect lcd display in some condiction.

   v1.05:

   Fixed: sync issue on 7D

   v1.04:

   Fixed: improved stability and transmission range.

   v1.03:

   Fixed: make backlit/setting time longer.

   v1.02:

   • Added: YN560-TX proxy mode. Usage: make sure the channel of YN622C-TX,
   • YN560-TX is the same. Long press SYNC/FN key to enter the custom function and go to FN.06 (Up/Down key). Change the value to ON (Left/Right key). Then place YN622C-TX anywhere within the transmittion range of YN560-TX.
   • Now you can use YN560-TX to control Manual output/zoom of the ettl flashes on
   • YN-622C.

   Fixed: improved stability.

   Release notes & download
2. Version 1.16 First seen Jul 11, 2026
   Show release notes Hide release notes

   Please download software/drivers here: http://www.hkyongnuo.com/e-detaily.php?ID=348

   2018/08/02 v1.15:

   compatibility with new hardware. (Please download the most update YN_Trigger_Updater software.)

   2017/12/01 v1.13:

   Fixed a few bugs introduced by v1.​12 which wasn't released publicly.

   2017/08/03 v1.12:

   • Improved performance.
   • Improved key handling.

   2017/07/24 v1.11:

   Fixed: compatibility with EOS-M series mirrorless digital camera.

   2016/07/11 v1.10:

   Fixed: optimized YN685 Firmware Upgrade Proxy mode.

   2016/04/18 v1.09:

   • Added: YN685 Firmware Upgrade Proxy (Keep GR pressed and turn the device on).
   • Refer to YN685 Firmware Upgrade instructions.

   2015/07/20 v1.08:

   Fixed: compatible issues with YN622C/YN622C II.

   v1.07:

   Fixed: FEL didn't work with 7D MK I​I.

   v1.06:

   • Fixed: reduce power current for some version of PCB.
   • Fixed: incorrect lcd display in some condiction.

   v1.05:

   Fixed: sync issue on 7D

   v1.04:

   Fixed: improved stability and transmission range.

   v1.03:

   Fixed: make backlit/setting time longer.

   v1.02:

   • Added: YN560-TX proxy mode. Usage: make sure the channel of YN622C-TX,
   • YN560-TX is the same. Long press SYNC/FN key to enter the custom function and go to FN.06 (Up/Down key). Change the value to ON (Left/Right key). Then place YN622C-TX anywhere within the transmittion range of YN560-TX.
   • Now you can use YN560-TX to control Manual output/zoom of the ettl flashes on
   • YN-622C.

   Fixed: improved stability.

   Release notes & download