[cheez]

Well they're using Android so... Probably not much. Display isn't that important to battery life (unless you're using it all the time.)

[_hhff]

Yup, exactly. I would have liked to use something like KaiOS, but we had a short deadline and that would have meant porting/rewriting a bunch of Qualcomm drivers for the snapdragon on KaiOS.

We also couldn’t preempt the new features we’d like to add (directions, find my phone, etc), so full android felt like a safer option all things considered.

[tmzt]

If you go this direction in future, take a look at ofono.

There are QMI as well as AT/RIL drivers in the works.

[cheez]

Yep, Android was the right choice. You'd still be coding the OS stuff by now I'm sure.