Default APN Profile for your SIM card is incorrect or no default APN Profile listed
Default APN Profile for your SIM card is incorrect or no default APN Profile listed
Refer to the following screenshots to check the current profile settings:
Solution
Create a new profile and enter APN, username, password and authentication type manually, if you are not sure the correct settings, contact your SIM card carrier to confirm it.
In addition, please also make sure Mobile Data is enabled, for more details about the Internet settings, please refer to this FAQ.
https://www.tp-link.com/





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