I have been following the public beta for some time now. I finally decided to try out the latest beta firmware RC-7 on my GT-AC5300 mesh system with a RT-AC68U router. The RT-AC68U has firmware 188.8.131.52.386.40558 that was just released. After flashing the RC-7 beta firmware onto my GT-AC5300 router I instantly noticed a vast speed increase in my overall wireless performance. My internet speed is rated at 15mbps up and 50mbps down. After flashing the R7 firmware I gained 3mbps up and 7mbps down on my 5ghz AC. The 2.4ghz spectrum on N was unchanged. Overall the RC-7 firmware has been completely stable. Unfortunately, the RC-7 firmware has brief instants of dropping wireless signals on the 5ghz. It is interesting since some of my devices suffer worse than others on dropping the 5ghz signal. I seem to have trouble with a Samsung Galaxy Note 10+ 5G and a older iPad. A current generation iPad Pro 11 and iPhone X have no drops and no problems on the 5ghz AC. My Google Pixel C tablet also has micro drops. When I revert my GT-AC5300 back to firmware 184.108.40.206.384.81974 I have no problems what so ever. I am sharing my experience in hoping this will speed the process of a final firmware for the GT-AC5300 as I really love the new features and speed improvements! One question; will this new 386 firmware include VLAN? That is a feature I could really use!
My experience with GT-AC5300 is:
- wait 10 minutes to stabilise after a reload. It needs to listen a lot until it decides on 5GHz channels and that combined with smart connect leads to several minutes of "instability".
- after some reloads it comes up ok, but it doesn't last for more than 1-2 days and it starts kicking out clients. Especially 2.4 ones. After most reloads it's stable for weeks.
- connect an Openvpn client few times will drive it crazy! Sinner than later! When I know I'm away and I have to use OpenVPN I am scheduling a reload over night.
All the above were true on 384 and are true on 386.
And your speed you're getting on WiFi is not impressive at all! 650mbps can be easily achieved so you should be easily capable to use all your wan speed.