11-08-2021, 03:08 AM
To clarify on the firmware a bit, the phone arrives with Quectel's proprietary firmware installed because that's required for regulatory approval. The open firmware replaces the supervisory part of the modem firmware, but still uses the Qualcomm binary firmware for the radio layer.
https://github.com/Biktorgj/pinephone_modem_sdk
https://github.com/Biktorgj/pinephone_modem_sdk