Below you find the links to the manual of the APN settings on your TP-Link device. First create a profile with TP-Link (step 1), then you can define a new APN in your TP-Link account (step 2). 

Step 1: 

Step 2:

Our APN information as follow: 


User: (leave field empty) 

Password: (leave field empty) 

Important: Authentication Type: Select PAP instead of CHAP