I’m having some fun with VStarcam firmware, so why shouldn’t you? After downloading hundreds of their firmware updates I decided to document all these numerous proprietary formats. This even included figuring out a proprietary compression algorithm (not the one I asked about here a few days ago, that one is still a mystery).
https://palant.info/2025/12/15/unpacking-vstarcam-firmware-for-fun-and-profit/

