Can i exchange this modem to get a newer model.it's keep disconnect a lot of times.

It seem that a lot of tplink 3/4G routers have this issue. It disconnect after a while of use

1. what is the light status of the MR3420 when it lost connection？The status light still green 2. At that time, please login to the web interface and take a screenshot of the status page.It is a...

2016-01-01 07:00:14 [6] 3G: Hotplug: id[0]=19d2_0154_MF190SVIED010000, class[0]=unswitched_3g, action[0]=add 2016-01-01 07:00:16 [6] 3G: 129: handle_card add card. 2016-01-01 07:00:17 [5] DHCPD: Recv...

Hello, This MR3420 is the new one . Tried both the 3G USB are ZTE MF190S and HUAWEI E173Eu-1 I don't know why this modem can not run stable for 2 days.It disconnect the 3g connection randomly. I have...