Yongnuo YN686C firmware

Firmware history

1. Version 1.12 Latest First seen Jul 11, 2026
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   V1.12 2022-8-25

   1. Optimize the compatibility of EOS R series cameras
   2. Other optimization

   V1.11 2018-12-17

   1. Repair abnormal display of slave indicator
   2. Improving compatibility between the flash and EOS-M6

   V1.10 2018/0820

   1. Repair the compatibility with 1500D /2000D/3000D/4000D camera.

   V1.09 2017-10-31 1.enhance stability of flash wireless radio 2.repair modeling flash problem in wireless slave mode 3.improve overheating protection ​test 4.improve recycle time

   V1.08 2017-9-16

   1. Repair sometimes can't go into hibernation
   2. Repair prompt tone incorrect

   V1.07 2017-8-19 1.improve the stability of TTL mode 2.other improvement

   V1.06 2017-07-31 1.improve the compatibility of EOS-M6 2.added wireless single contact trigger function(Legacy Trigger)

   V1.05 2017-07-21 1.repaire ove​rheating protection easily problem in multi mode

   V1.04 2017-07-11 1.improve the compatibility of TTL mode 2.repair incorrect grouping problem in multi flashing of Sc mode 3.other improvement

   V1.03 2017-06-15 1.enhance stability of wireless radio 2.repair incorrect status showing in wireless slave mode 3.other improvement

   V1.02 2017-06-10

   1.enhance stability of wireless radio 2.repair incorrect status showing in wireless slave mode 3.other improvement

   V1.01 2017-06-06 1.enhance stability of wireless radio 2.repair incorrect expose tone 3.other improvement

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