as you can see in the video, the second android box connects, then disconects, and do that all the time until i set the c20 in router mode with client isolation

@Ivaylo yes, i have many other NON mtk devices, all of them connects normally non mtk devices that works normally motorola g8, sony ericcson android phone, samsung galaxy j5 prime, samsung galaxy...

Update: non mtk devices conects normally. Motog 8 plus : ok. Samsung j5 prime: ok. Samsung galaxy core2: ok. Mtk devices only one of them conects

@Ivaylo i dont have 5 ghz devices by wire : lg smart tv my isp : claro colombia my isp modem : Arris tg852 (wifi is slow and very short range, thats why im using archer c20) channel auto : same...

@Ivaylo i'm getting an server exception on this site i will try to upload everything here but if doesnt work heres a google drive link with all images in jpg...

@Ivaylo wpa2-psk personal with aes encription : not working current config : ap mode my isp ip range : 192.168.0.1-254 archer c20 ip : 192.168.0.136 archer c20 intelligent IP is disabled. archer c20...