Yongnuo YN-E3-RT firmware

Firmware history

1. Version 1.26 Latest First seen Jul 11, 2026
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   Please download the software and drivers from: http://www.hkyongnuo.com/e-detaily.php?ID=337

   2018.03.26 v1.26:

   Fixed: can't trig flash when used with some yongnuo lens.

   2018.03.14 v1.25:

   Fixed Compatibility with new 430EX-RT III.

   2017.07.20 v1.24:

   Fixed: compatible with EOS-M series mirrorless digital c​amera.

   2017.02.20 v1.23:

   • Fixed: ETTL/GR Over exposure with 80d
   • Fixed: v1.22 ETTL/GR mode didn't work correctly.

   2015.12.07 v1.21:

   Fixed: Free Mask PFN bug.

   2015.12.03 v1.20:

   Fixed: Some LCD screen won't display after waking up.

   2015.10.22 v1.19:

   • Improved: Compatibility with 7D + YNE3-RX/580EX II
   • Fixed: Compatibility with Canon 430EX III-RT

   2015.07.01 v1.18:

   Fixed: adjusted for new LCD/PCB design. (Please don't update old firmwares with YN-E3 assembled after 2015/07/01, or the lcd won't display correctly. If you have done that, please update with v1.18 again.)

   2015.05.13 v1.17:

   Fixed: Shutter Release didn't work with 7D Mk II.

   2015.04.07 v1.16:

   Fixed: can't trigger remote camera in link shot master mode.

   2015.02.09 v1.15:

   Fixed: Compatibility with YNE3-RX & YN565EX

   Version 1.14:

   • Fixed: Compatibility with YNE3-RX
   • Fixed: FEL didn't work on 7D II

   Version 1.13:

   Fixed: improved performance.

   Version 1.12:

   Fixed: sometimes recycle information is missing

   Version 1.11:

   • Fixed: reduced power consumption.
   • Fixed: imporved radio performance.

   Version 1.10:

   Fixed: couldn't set fec of group b/d via camera menu.

   Version 1.09:

   • Fixed: update limit of flash number in Multi mode.
   • Fixed: disable HSS in multi mode
   • Added: P.FN: legacy trigger mode. When it's set, YN-E3-RT won't detect ettl input so that it can be used on Fuji hotshoes.
   • Added: P.FN: Free Mask Group. This setting is used with GR/*. Free mask will be on/off when you hold GR/* butt​on for a few seconds. When Free mask is on, groups not in this setting won't fire. So you can take a photo with background flashes only quickly.

   Version 1.08:

   • Fixed: correct ettl2/gr exposure for 1D-X.
   • Fixed: improved light metering for cameras after 2012.

   Version 1.07:

   • Fixed: When one of the group is set to ETTL mode, if one of the flash is not recycled, it may make a full output flash due to incorrect light metering. Now
   • YN-E3-RT won't trigger a flash in such a situation. Note: if the group is set to M mode, a flash will be triggered no matter it is recycled or not.

   Fixed: improved flash syncing with cameras after 2012.

   Added: Legacy flash trigger (for non canon cameras). Now you can use YN-E3-RT on non canon cameras with standard iso hot shoe. You need to press the test button to transfer the M mode parameters. supports canon 600ex-rt as slave flashes only.

   Version 1.06:

   • Fixed: Incorrect Exposure for GR mode on cameras before 2012, when one of the group is set to M mode.
   • Added: Version information display on menu4.

   Version 1.05:

   Fixed: Compatible issue with 5D Mark III/6D/70D/650D.

   Release notes & download