Is there after purchase support?

[Quarnero]

@Photon

even when charging

Here are easily comparable types of charging (related to the Librem 5 host charger):

EDIT:

@Photon

Is overheating still a thing?

Also, I’m not bothered any more as what @dos promised over two years ago works for me (since very long time) out of any power supply/bank that I carefully picked up in order to charge my phone:

@dos

In the future we hope that we’ll be able to support BC1.2 spec as well so the higher limit will be set automatically when used with compliant USB-A chargers.

@Photon

even when charging and under heavy use.

This can be easily tested:

@dos

If you use a powerful enough power supply with high enough input current limit, you should be able to take the battery off while keeping the phone fully operational, powered from USB.