@Sunshine Hello. Sorry for the delay. > device never connects to the cloud successfully, right? Yes Reboot and factory resed didn't solved the problem unfortunately. I've also tried another SIM...

@Sunshine Hello, unfortunately BETA firmware didn't solved this problem for me on TP-Link Archer MR400 (V4.30). I can provide some additional technical details, e.g. traceroute to the TP-Link Cloud...

@Sunshine Hello! I have the same problem with MR400(EU) Ver:4.30, can you please issue an fix for this router version? 4G LTE internet works perfectly (no ethernet WAN, only 4G), but TP-Link Cloud...