@David_Minz Hi, For your case, it is suggested to have a look at this link: [Solution] Can’t send and receive SMS on TP-Link 4G Routers with Jio SIM card

@StephaneGo Hi, is your network topology like: Tl-MR6400---network switch----POE injectors—IP cameras? When the cameras are offline, the other mobile clients and wired clients to other ports of 6400...

@Roland_Bata Thank you for the feedback. I am sure the system log would help if you could help me check for more details. As for the signal strength dropped, did you mean the LTE signal strength,...

@umeshhansla Thank you and are you able to update the beta firmware?

@umeshhansla Nice to see you again. Please let me know whether the beta firmware worked or not. Thank you very much.

Hi, @AntonioBATTA since you just bought the MR600 v2, It is not likely a hardware issue. Could you please test the modem with a different SIM card to check whether it is a compatibility issue? Hi,...