This Article Applies to: All 4G LTE Routers Issue Description/Phenomenon: Customers may find that the SIM Card Status displays a 'NO SIM card detected' error (pictures as below) when they inserted the

Hi we have 6 routers archer MR400 6 months ago, one of our routers malfunctioned not detecting sim card. we have replaced it with a new one since it is under warranty. today second router does not det

Hi I upgraded to Archer MR400(EU)_V3_20190730 Can I upgrade to V4.2? Also the system time returns to default date 2016 after rebooting, it doesn’t save time. any idea what is the problem. We have a pr