I bought the router from Germany because i needed the Annex B version, is there a way to change the firmware to English ? Or even install other firmware like DD-WRT ?

This is so weird, it just happend i ahve no idea why, i sent email to TP-Link support to use my warranty, hope this will help ....

How did you open Channel 153 ? i have until 112 and that's it

Model : Hardware Version : Firmware Version : ISP : Hi, I have the VR900v Moder Router and my internet speed for connected (via cable) is perfectly fine but all my devices (galaxy s7, google pixel,...