flying snow wrote Firstly, make sure the the USB modem is working well on your computer directly. Then, go to tplink official website to check whether it's on the compatibility list. If it's not, try...

Model : Hardware Version : Firmware Version : ISP : Help me …!!!My TP-LINK MR3420 V2.4 after plug Huawei K5160 USB 4G did not identify to.. it running identifying so long