FlyBuds 3 firmware reverse engineering: 26 false starts and corrections
A technical postmortem of the wrong assumptions, tooling traps, protocol mistakes and safety gates behind a successful earbud telemetry patch.
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Things explored in more detail.
Reverse-engineering FlyBuds 3 to diagnose a 105-second battery collapse
How a 96-byte firmware extension exposed raw battery voltage over Bluetooth and separated a real power failure from a misleading percentage display.