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@tyll tyll commented Dec 5, 2025

Esptool accepts the write-flash command only on newer versions while older versions only accepted write_flash. Use write-flash consistently to avoid partial flashing with older esptool version.

🤝 Attestations

  • I have tested that my proposed changes behave as described.
  • I have tested that my proposed changes do not cause any obvious regressions on the following devices:
    • Heltec (Lora32) V3
    • LilyGo T-Deck
    • LilyGo T-Beam
    • RAK WisBlock 4631
    • Seeed Studio T-1000E tracker card
    • Other (please specify below)

Esptool accepts the write-flash command only on newer versions while
older versions only accepted write_flash. Use write-flash consistently
to avoid partial flashing with older esptool version.
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