Hello , im a tp link user and using archer c20 router with latest firmware 200915 v5 .. since upgrading this firmware im seeing a lot of bugs such rebooting , low download speed unlike upload speed , terrible stable connectionspecially on 2.4ghz band . Before this new firmware there were bugs too but less than this one . I knew is is my duty to report this massive bugs And i hope this bugs will be solved soon . Thanks for paying attention to my words