@Aleks911 Hello, I think, your and my provider or the used 4G network isn't supported. My solution: I insert an other SIM and it works fine. Fast and stabil. Good luck.

@Nbl1 Hello Nbl1, I have a similar error with my new TL-MR100. Firmware Version:‪1.6.0 0.9.1 v0001.0 Build 240715 Rel.42657n Hardware Version:‪TL-MR100 v3.0 00000002 My provider is WinSim. I've enter...