FP3 next morning wouldnt show/turn on, after attaching it to charger, and trying again a START screen in green with misc debug and low level stuff shows

Help Fairphone 3
8

It seems that both slots are marked as unbootable.
Since current-slot is marked INVALID, it’s unclear which slot was previously active.
So first try setting slot A active:

fastboot --set-active=a
fastboot reboot
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