@dr.lakshay I also wanted to go back to 1.2.1 yesterday, but even when using TFTP, it was 1.3.5 again. You must first upload OpenWrt via TFTP, then via factory TFTP 1.2.1. I didn't feel like it so I...

I don't see such an option

@FlatPepsi Ping jumps, lost packets for 5ghz. It started with 1.3.0, if I remember correctly beta 1.3.1 fixed the problem, then again 1.3.4 with the problem, then beta 1.3.6 fixed it, now the same...

You surprised me, there is a new firmware. I installed and my problems came back, in Beta 1.3.6 there were no problems. In my free time I go back to 1.2.1 and pay no attention to the new firmware ..

2 options, install via TFTP version 1.2.1, or normally beta 1.3.6 and wait for the final firmware if it appears. I send the link to 1.3.6 to prv

UP .. 1.3.6 Beta works OK, but what next?