@yanru Hi, Thank you very much for the feedback. May I know how long you have had Archer MR600_V1? The 4G+ carrier aggregation stability would be closely related to the nearby cell station quality....

@radius75 Hi, Thank you very much for the feedback. Does it only happen when the mobile devices connect to MR600 for the first time? Would it be mush faster when it reconnects to the same SSID? Since...

@Portmellon Hi, Thank you very much for your time and patience. Most SIM carriers used CGNAT service. Before opening the TCP 433 port, it is recommended to confirm you have had a public IPv4 address:...

@karmaine1 Hi, Thank you very much for your time and patience. Can you consistently reproduce this issue? Please try to change the primary/secondary DNS server under Advanced>Network>LAN...

@Fidolino Hi, Nice to see you again. Please refer to the reply here: https://community.tp-link.com/en/home/forum/topic/743464 Best regards.

@Fidolino Hi, Thank you very much for the feedback. You could try to edit the wireless settings on the web interface: How to log into the web-based management interface of TP-Link Wireless 4G LTE...