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--- backuprestorefirmware [2024/11/10 07:40] – created jwan
+++ backuprestorefirmware [2025/10/10 10:15] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+**BEFORE DOING BACKUP AND RESTORE, MAKE SURE FLASH MEM SIZE IS __CORRECT__**
 To backup:
 <code>
-esptool.py --baud 115200 --port COMx read_flash 0x000000 0x1000000 c:\path\firmware.bin
+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
 </code>
+//** use 0x000000 0x400000 (4MB) for ESP8266 NodeMCU//
 To restore:
 <code>
-esptool.py --baud 115200 --port COMx write_flash --flash_freq 80m 0x000000 c:\path\firmware.bin
+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
 </code>