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102	102
103	103	* After the firmware upgrade is complete, switch back to the FLASH and reset the node to run the new firmware once.
104	104	* Then place the switch at the ISP and connect to the STM32CubeProgrammer (same as when burning the firmware).
105		-* Click "Device memory", enter **0x08019000** in "Address", and click "Read"
106		-* Find the 0x08019000 address field and then read the current password as shown in the screenshot below.
	105	+* Click "Device memory", enter **0x08025D00** in "Address", and click "Read"
	106	+* Find the 0x08025D00 address field and then read the current password as shown in the screenshot below.
107	107
108	108	[[image:image-20240827180414-1.png||height="527" width="910"]]
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	112	+= 5. Special case =
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	115	+If the user has never changed the password manually, the user cannot find the valid password through the above two password addresses. In this case, the valid password is still the original password on the node box label (**AT+PIN**).
114	114
	117	+Invalid query screenshot example:
	118	+
	119	+[[image:image-20240827181447-4.png||height="519" width="889"]]
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	121	+[[image:image-20240827181431-3.png||height="515" width="892"]]
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image-20240827181447-4.png

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