@segunpioneer Hi，I am afraid the device is defective, because the status shows empty and even the IMEI shows undefined, it is recommanded to contact the seller where you bought it to check warranty...

@Cmscss Hi, when the problem happens, is there any change on the LED status? such as signal bars reducing or even internet led turning off? Please share with us screenshots of Advanced->Status page...

@elchapo Hi, could you please try a different wireless network instead of the phone 4G? If it has the same issue, please provide us with your router MAC address via private message.

@calamitous Hi, the power supply of the USB Type C port on Archer Air R5 should be 5VDC/2A.

@Bibiboom Hi, please try to enable WDS bridging on the TL-WR740N to connect wirelessly to the building's WiFi: How to configure WDS function on TP-Link Wireless Routers

@jpmarco Hi, is the Archer AX20 working on Router mode? and is internet access working fine? Please make sure your client device is connected to the Archer AX20 via Ethernet cable of WiFi, then check...