The Linksys MX2001SH-SG Atlas 6: Dual-Band Mesh WiFi 6 Router for StarHub ISP supports the IPTV feature, which is part of the firmware, and there is no need to enable it.
 
Scenario:  

I have WiFi streaming issues with my Set-Top Box (TV+ Box), what should I do?

Solution:

Connect your Set-Top Box (TV+ Box) to the ethernet port of your parent or child node.