Yealink T46G and T42G firmware version 66.86.0.180

[micro12]

The above firmware version is supposed to fix the provisioning issue in 3CX V20.7 I cannot find the above version anywhere

https://www.3cx.com/blog/releases/yealink-firmware-updates/

 

[SteveITS]

That’s not the right number series for those phones.
https://www.3cx.com/docs/phone-firmwares/