EM7455 Gobi drivers install

[jyijyi]

Did you compare with mc7455 with mmcli?

Seems only mbim port is enabled.

Have you checked this?

MC7455 USB interface for PPP connection

Please note the age of that info. It is currently 5 years old, and has been outdated for some time. And it has always been unsupported by Sierra Wireless for obvious reasons.