Zte MF30 User Manual page 43

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.
Step3. Set the PPP Authentication in the following figure:
Choose PPP authentication mode CHAP or PAP, and then give PPP user
name and password to the corresponding authentication mode.
Step4. Set SSID Configuration in the following figure:
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