D-Link DIR-825/AC Quick Installation Manual page 19

DIR-825/AC
6. If your operator requires to specify the access point name, in the USB
modem section, fill in the APN field.
7. If your operator has provided the address of the DNS server, in the IP
section, deselect the Obtain DNS server addresses automatically
checkbox and fill in the Primary DNS server field.
8. Click the Apply button.
9. On the Net / WAN page, select the choice of the Default gateway radio
button corresponding to the new LTE WAN connection.
Quick Installation Guide
19