Affected user reporting in. I think is better for us to state what phone and what scenarios did these ads appear.

Phone: HTC 10 / HTC One M7 / HTC One M8
Connectivity: WiFi & Mobile Data
Occurrence: Only on forum.lowyat.net
Note: Happened to all my devices. Haven't occur when using my Nexus 9 tho

This post has been edited by GalaxiasWilliam: Aug 25 2016, 11:23 PM

New device, edited my post with more of my phones. Happened to my old old HTC One M7 and HTC One M8 also. The M7 was reset a few months ago, and the M8 was reset early January