Hello. I only use my RT-AC68U in repeater or media bridge mode. I just updated to the latest firmware (Version 3.0.0.4.384.10007) and repeater mode doesn't work at all. It seems that it doesn't connect to the parent router.
Also, when searching for networks to be extended, only 2.4GHz show up. The 5GHz ones are absent. This has been the case with every firmware up to now but at least before there was a manual setting where I could enter the 5GHz networks manually. The manual setting is no longer present in the latest firmware so I'm stuck to extending only 2.4GHz networks but that doesn't work anyway.
Also, when searching for networks to be extended, only 2.4GHz show up. The 5GHz ones are absent. This has been the case with every firmware up to now but at least before there was a manual setting where I could enter the 5GHz networks manually. The manual setting is no longer present in the latest firmware so I'm stuck to extending only 2.4GHz networks but that doesn't work anyway.