During the remote session with support engineer he found that the issue is in MTU Size settings. It helped me to set the value to 1400 bytes.

Thank you, @Kevin_Z

@Kevin_Z In light of the latest info I can not claim that applications worked well before the firmware update. I do not remember exactly when I did the firmware upgrade and when the applications...

Hi @Kevin_Z, I have downgraded the firmware to the previous version. Unfortunately, it did not resolve the issue. Do you have any other idea how to fix it? Thank you in advance, Lukas

Hi @Kevin_Z, there are no other changes in the network I am aware of. My ISP is https://www.dialtelecom.cz/en/household/detail/56-internet/ I tried to change the DNS settings on Network / Internet...

Hello Community, after the firmware update to the latest version (1.5.7 Build 210308 Rel.60033n(4555)) on my Archer C80 it stopped to work HBO Go and Netflix applications on my Samsung TV (model:...