Obviously nothing is wrong with your UniFi connection.
It's the wireless interference that you are facing in a highrise condo, as there are just too many neighboring wireless access points above, below & beside you.
And there is not much you could do other than using HomePlug + setting up another access point in another room.
Hey guys, thanks but i tried all the suggestions given, and nothing seems to be out of place(ping was low, no packet loss). I read that some people are also experiencing downloading/updating ios apps using unifi, which I am not sure whether this problem of mine is related or not to that since I am using android and even whats app images I am unable to download.
since my desktop seems to be having little no no problems when it comes to the unifi using rj45 cable, i tested my wifi using both my smartphone and laptop.
laptop -> no problems to browse and download stuff
smartphones (xiaomii and note 3) , there are occasion where browsing wasnt good (due to signal strength I assume) but when it can browse well, I cant download whats app images to begin with.
This doesnt happen at all when i was at my terrace house previously. Something happen when the technician changed the home fibre modem to the condo version of the modem (mandatory change). If this is the case and somebody has found a solution to this, mind sharing it ?
wasting my mobile data at home when I shouldnt be using the wifi connection