@Marcia.Zhang Hi, Have you been able to review something? since it is impossible to use the connection through the device.

@Marcia.Zhang Hi, thanks for your quick response. It happens the same several times on the same day. I have tested the SIM on the phone and it remains stable without any fall. I have tried with a...

I have the MR6400 with a Vodafone Spain SIM and the connection drops from time to time after a while it recovers alone, but other times I have to restart the router. Attachment WAN configuration: The...