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GluTbl/ReadMe.md

Created March 2, 2021 05:06
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[Esptool]
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ReadMe.md

Source : https://cyberblogspot.com/how-to-save-and-restore-esp8266-and-esp32-firmware/

  1. Gathering the Board’s Info esptool.py flash_id

  2. Save 1MByte or 8Mbit Flash esptool.py --baud 115200 --port COM8 read_flash 0x0 0x100000 fw-backup-1M.bin

  3. Save 4MByte or 32Mbit Flash esptool.py --baud 115200 --port COM8 read_flash 0x0 0x400000 fw-backup-4M.bin

  4. Restore 1MByte or 8Mbit Flash esptool.py --baud 115200 --port COM8 write_flash 0x0 fw-backup-1M.bin

  5. Restore 4MByte or 32Mbit Flash esptool.py --baud 115200 --port COM8 write_flash 0x0 fw-backup-4M.bin

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