Quectel EC25 Mini PCle 4G/LTE Module not connecting

Cellular Modules Quectel EC25 LTE Module
2

I solved the problem by removing the # before the line “noauth”, and I also removed USER “orange” + PASSWORD “orange” in /etc/ppp/peers/provider.

Then I wrote this line “orange * orange -” in /etc/ppp/pap-secrets.

https://www.tldp.org/HOWTO/PPP-HOWTO/x1034.html