@UMJ Hi, Have you tried to send an email to the local support team to ask for assistance:support.mea@tp-link.com? Thank you very much.

@nonosch Hi, currently, Archer MR600 does not support TFTP to roll back to the previous firmware. Thank you very much.

@atty Thank you very much for your feedback. Please try to update the following beta firmware to have a look:...

@Angy1309 Hi, have you checked the WAN/ Internet IP address on the Archer MR600? --if it is a private IP address as well, you might need to open ports for Archer MR600 on the SIM card internet...

@AnotherArcher HI, it is under advanced>NAT forwarding>ALG> PPTP Pass-through: L2TP Pass-through: IPSec Pass-through: Thank you very much.

@AnotherArcher Hi, the DNS server under the DHCP is for LAN connection which you will see on the wireless clients themselves while the DNS server under the network map is for WAN DNS; Currently, it...