EM7455 - AT!SCACT=1,1 command shows error with no network service

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You can see here for username amd password

AT command to setup username and password on EM7565

On EM7565, in case you need to setup a username, password and authentication to access a specific APN, you can easily setup those parameters using Linux SDK API or even Windows 10 GUI (Network & Internet > Cellular > Advanced Option > Add an APN). In case your only option is AT command, you can rely on non-documented command AT$QCPDPP. Syntax description can be found in the following document. https://source.sierrawireless.com/resources/airprime/minicard/2130616_ap_mcsl_umts_lte_extended_at_co…