Well, Dink's answer can solve any software problem because it even change this router to another.Such as change a Google Nexus to a Samsung with the OS change. Do you want to change a TP-Link to a...

seems hardware issue? maybe faulty soldering on 5G chips. Go to shop for a replacement.

I agree with Dandemon that maybe something wrong on Fast NAT. Go to tp-link support for any firmware to solve this

I think no. If they make it, they will release it asap just for adversting

Always have new issue when a new system is relesed.Incompatibility issue is always frustrating that's why i do not believe some new products Well it seems ios 10 donot have the same issue?I think you...

I heard C7 is hardware issue on chips But D7 &D2 do not use the same chips, wiki says. So do you guys contact their support to check about the hardware?