had C4 Evo in 2021, because i love the UI, and the smart layout, it can do a lot - except charging. Found it unusable due to the symptoms above, and swiftly returned.
was there any change meanwhile? I don’t know. There is a very recent firmware (Oct 2024):
https://isdt.co/down/firmwares/firmwareDownloadList.json
and even an alternative firmware (2022):
It usually takes many years to fix the issue, for example, only now I can buy an Xtar charger, as it became consistent. I’d love to have C4 if it was confirmed to work.