backuprestorefirmware
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BEFORE DOING BACKUP AND RESTORE, MAKE SURE FLASH MEM SIZE IS CORRECT
To backup:
esptool.py --port COMx -b 115200 read_flash 0x000000 0x100000 c:\path\firmware.bin
** use 0x000000 0x400000 (4MB) for ESP8266 NodeMCU
To restore:
esptool.py --port COMx -b 115200 write_flash --flash_freq 80m 0x000000 c:\path\firmware.bin
backuprestorefirmware.1731456211.txt.gz · Last modified: (external edit)