How to use Lan cable to connect PC/ tvbox/CCTV after Huawei B310/B315

After you inserting Lan cable to the Huawei B310/B315 modem, the second light may become red and there is no internet at all, Here is the solution for you guys.

Go to Modem Settings on 192.168.8.1, click Ethernet-Ethernet Settings, here is the page:

Change the Auto mode to Lan only, then you will find your device connected to the Huawei B310/B315 are ready to use your CCTV, tvbox and pc through the 4g network.