@David-TP Hi friend. Yes, I've tried everything, but the situation is the same. The original software is 1.4.0 0.9.1 v0001.0 Build 220506 Rel.57555n. After installing the new update, the SIM card...

@David-TP Hi David. I have the same problem. Could you send me the beta product as well?

TL-MR6400(APAC) v5.30. I had old software on my PC. I downloaded the new software from the TP-Link website. I installed it via the web interface. Then it gave a "SIM card not found" error. The SIM...