TP-Link wrote @JerryAtrick Thanks for the update. How about the second test via mobile hotspot? As for the unstable ISP connection, have you tried the beta firmware to fix the 4G bands?...

TP-Link wrote Hi, When the ping via MR600 reaches 150m/s, is there any problem you have noticed on the MR600, such as the webpage is not loading, the internet dropped out? My MR600 never gave me a...

@ect76 Install one of the band-select enabled beta firmwares and try locking to band 3 or 1. The MR600 is known for it's problems picking the best channel. Could even be locking to band 20 (only 5Mhz...

@niemals_sebi can only speculate, if TP-Link know they aren't saying (or fixing it). It usually means bad memory management. On the MR600 that's compounded by not having enough RAM to start with &...

QoS isn't designed to arbitrarily throttle connections. It's designed to prioritise important ones. AFAIK there's no quota management support on the MR600, it's only a low end router bolted onto a...

@dvyx That sounds exactly what you'd expect from QoS. It should only limit bandwidth IF something higher priority needs it. TBH I'm surprised, I've never seen it work that way on my V1 and others...