@Rostagroup Maybe you have an old router that you don't use anymore? Then you can create a mobile hotspot with your phone and connect the old router to it wirelessly. Then connect the main Deco to...

@SebO I would suspect the problem is something else than Deco Mesh. I use MS Teams over VPN with my Deco M9+ V2 (firmware 1.5.1 Build 20210126 Rel. 59387) every day, and I don't see any problems...

@BMJO I have 3 Deco M9+ units. I was a bit reluctant to upgrade and I don't like using the mobile app, so I upgraded using a PC and the web browser interface via http://tplinkdeco.net/ . This worked...

@RoomTiger Edit : It has been confirmed that the culprit is a broken bridge mode on my ISP's modem. Bummer. I'm forced to use the router mode. Can I keep both in router mode ? What are the drawbacks...

@RoomTiger Strange problems. I have Deco M9+ V2 in router mode, and my ISPs Zyxel fiber "home central" in bridge mode (500/500 fiber). I also have a TP-Link switch and a Synology DS218+ NAS, and...

@Jukkieeee It is definitely meant for indoor use, including the power supply. However, the M9+ gets quite hot so it might successfully keep dampness away that way, as long as it is powered at all...