TP-Link TL-MR3420 User Manual page 16


Note:
If the above screen does not pop-up, it means that your Web browser has been set to a proxy.
Go to Tools menu > Internet Options > Connections > LAN Settings, cancel the Using
Proxy checkbox, and click OK to finish it.
2. After successful login, the Quick Setup page will appear for you to select your time zone
and click Next.
3. Select a desired Internet Access mode and then click Next. The configuration for each
mode is similar. As follows we will take 3G/4G Only mode for example.
3G/4G Only

In this mode, the router will try 3G/4G access only. WAN access is disabled.
3G/4G Preferred

In this mode, the router will try 3G/4G access first. If 3G/4G access fails and WAN
access is valid, or if no 3G/4G USB modem is inserted, the router would switch to WAN
access. Once the router succeeds to connect to the 3G/4G network, the router would
stop the WAN connection and switch back to 3G/4G access immediately.
WAN Preferred

In this mode, the router will try WAN access first. If the WAN access fails and 3G/4G
access is valid, the router would switch to 3G/4G access. Once the router succeeds to
connect to the WAN network, the router would stop the 3G/4G connection and switch
back to WAN access immediately.
WAN Only

In this mode, the router will try WAN access only. 3G/4G access is disabled.
4. The next screen will appear as shown in the figure below. You need to set the required
parameters and then click Next.
TL-MR3420 3G/4G Wireles N Router User Guide
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