backuprestorefirmware
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 or esptool --port COM3 -b 115200 read_flash 0x000000 0x400000 ESP8266_TYPEC_4MB.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 or esptool --port COM3 -b 115200 write_flash 0x000000 ESP8266_TYPEC_4MB.bin
backuprestorefirmware.txt · Last modified: by 127.0.0.1