I have a problem with archer c54 unstable wifi i tried other power supply anything nothing works even i turned off the auto negotation idk whats with the wifi or anything but the internet fine and this is lasts until i use a faster data cable but its still laggy i contacted the provider and they replaced my old cat 5e cable to cat 6 and they configured everything and they said everything fine until i updated the router to 1.12.20 was the worst update sometimes randomly freezes itself in the tplinkwifi.net website pls fix it and let me know if u guys releasing an update because its not good or im gonna switch to mercusys router and its half the price than this pls fix!!!!!!!!!!thx