Shafiul_1112 wrote @Alexandre. No! @Shafiul_1112 Main Deco plays the role of standard WiFi router. Its second Ethernet port is LAN port. By connecting PC/laptop to Main Deco with Ethernet cable, you...

@SeoulGal Firmware that runs on your Deco M9 Plus is more than 3 years old. Since then, TP-Link made a lot of improvements in firmware, based on feedback from people like you. By updating to latest...

@RBZ5416 RBZ5416 wrote @Alexandre. What can I say? The statement I quoted is from a TP-Link employee & the thread that @Wrayman linked to has 193 posts over five years requesting manual selection. So...

@SeoulGal Most of the issues you described are because your Deco M9 Plus have very old firmware. It is so old, it can't be updated through Deco app. It has to be updated manually. Follow Method 3...

RBZ5416 wrote @Alexandre. Quote from @David-TP in the thread linked above: The 5GHz channel appears to be configured based on the region the device was manufactured for use in and they are apparently...

RBZ5416 wrote @Wrayman In fact I believe it was that thread where it was confirmed by TP-Link that the 5GHz channel is stuck on 36 regardless of how congested it is. @RBZ5416 This is not correct...