EM7565 trouble connecting wit AT SCACT: no internet connection, although attached to mobile network. NetworkManager/ModemManager works fine though?

[jyijyi]

are you using MBPL USB driver?
If yes, you can follow this:

Example on establishing data connection by AT!SCACT via MBPL R20 driver

Here is an example to establish data connection by AT!SCACT via MBPL R20 driver: Module: WP7609 FW: R13 MBPL: R20 PC Environment: Ubuntu 18 need to install the MBPL R20 driver for qmi_wwan and qcserial (MBPL_Drivers_USB_R20_ENG1-src.tar.gz) avoid the Ubuntu changing the network name: ln -s /dev/null /etc/systemd/network/99-default.link sudo apt-get install libqmi-utils sudo apt-get install udhcpc now insert the USB to PC sudo chmod 777 /sys/class/net/wwan0/qmi/raw_ip …

Another option is to use MBIM interface by AT!USBCOMP=1,3,1009