Overview
Firmware failures may be environmental (low battery, RF dropouts), version mismatch (wrong HW revision), or app/OS interference. Use a disciplined retry policy.
First-line actions
- Record current/target firmware, model, hardware version, error text, time.
- Charge device and phone; retry once after app restart in a low-interference area.
- Confirm image/device targeting is correct for the hardware revision.
- If two careful attempts fail, move to recovery article or support with full bundle.