Zte MF612 User Manual page 19

Quick setup guide you how to set the basic parameters for your router
in the most safe way. Click Next to go to PPP Profile Configuration in
the following figure:
Set APN for PPP profile, if you obtain a fixed APN from your service
provider, please select Manual APN, otherwise select Auto APN, and
then type the APN string. Dial No. is provided by your service provider.
Click Next to go to the PPP Authentication in the following figure:
Internet Access
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