@Papsiboy Hi, welcome to the community. May I know who your SIM carrier is? Have you tried to put the SIM card into the mobile phone to check the available 5G signal strength(using the cell signal...

@carlosbarrosovi Hi, welcome to the community. TL-SG1008D is an unmanaged switch and it should be plug-and-play without extra configuration. I don't think the disconnection is caused by the switch...

@maxzie94. Hi, welcome to the community. Could you please a picture of your current network topology, such as: As for the "Offline Deco M4" on the Deco APP, as satellite units work the same, could...

@Reprhi Hi, Thank you very much for the feedback. Are you able to constantly reproduce this issue in a short time? Is the work computer connected to one of the satellite Deco via an Ethernet cable? I...

@MicEff Hi, Thank you very much for the feedback. May I know who your SIM carrier is? -Would the SIM card status turn to "No SIM" as well after rebooting the Deco X20-4G? Are you able to test the...

@Essfel Hi, Thank you very much for the feedback. Do you mean the similar "IPV6 Firewall" settings on the Archer 4G routers, such as: It has been reported to the engineers before. So far there hasn't...