The purpose of this project is to eventually have multiple connectivity links to 3GPP mobile operators for the purpose of running Ooni probes over their networks individually.
To do this, I need to start and install, configure and setup one 3G modem. From reading Internet documentation about which 3G modems are supported by Debian in general, I've decided to use my two Huawei modems - 1 Huawei E220 and 1 Huawei E172.
To make installation and configuration of APNs as easy as possible, I am going to follow these steps from Terence Eden's blog. In order to make my life easier, I'll archive his steps: