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...	...	@@ -942,7 +942,7 @@
942	942	== 6.7 How to find the AT Command Password if lost? ==
943	943
944	944
945		-=== Why can't the password access AT command after upgrade(-NB)? ===
	945	+== 6.7.1. Why can't the password access AT command after upgrade(-NB)? ==
946	946
947	947
948	948	Because the new version of -NB firmware has updated the factory reset function, users can choose to restore all parameters to factory Settings, or keep the password to restore the rest of the parameters to factory Settings.
...	...	@@ -956,8 +956,9 @@
956	956	* (% style="color:#037691; font-weight:bold" %)**AT+FDR**(%%)**       **~/~/ Reset Parameters to Factory Default.
957	957	* (% style="color:#037691; font-weight:bold" %)**AT+FDR1**(%%)**     **~/~/ Reset parameters to factory default values except for passwords.(new)
958	958
959		-=== Version Confirmation ===
	959	+== 6.7.2 Version Confirmation ==
960	960
	961	+
961	961	We are now dividing the **old firmware**(without FDR1 function) with the **new firmware**(with FDR1 function) by whether it contains FDR1 functionality. Please refer to the table:
962	962
963	963	(% border="1" style="background-color:#f2f2f2; width:510px" %)
...	...	@@ -985,9 +985,10 @@
985	985	)))
986	986	|(% style="width:210px" %)RS485-NB|(% style="width:150px" %)Before V1.0.8|(% style="width:150px" %)After V1.0.8 (including V1.0.8)
987	987
988		-=== UART connection and firmware update methods ===
989	989
	990	+== 6.7.3 UART connection and firmware update methods ==
990	990
	992	+
991	991	Users can query passwords only using the UART interface via the STM32CubeProgrammer.
992	992
993	993	See **[[UART Connection>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]]**.
...	...	@@ -995,7 +995,7 @@
995	995	update firmware through UART TTL interface :** [[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART_Access_for_NB_ST_BC660K-GL/#H4.2UpdateFirmware28Assumethedevicealreadyhaveabootloader29]]**.
996	996
997	997
998		-=== query the password via STM32CubeProgrammer ===
	1000	+== 6.7.4 query the password via STM32CubeProgrammer ==
999	999
1000	1000
1001	1001	Users can use the password address to query the password through STM32CubeProgrammer.
...	...	@@ -1018,7 +1018,7 @@
1018	1018
1019	1019	**Procedure for querying the password(new firmware):**
1020	1020
1021		-Refer to [[the old and new firmware division>>http://wiki.dragino.com/xwiki/bin/view/Main/General%20Configure%20to%20Connect%20to%20IoT%20server%20for%20-NB%20%26%20-NS%20NB-IoT%20models/#HVersionConfirmation]] above, and run the firmware first after updating the firmware.
	1023	+Refer to [[the old and new firmware division>>http://wiki.dragino.com/xwiki/bin/view/Why%20can%27t%20the%20password%20access%20AT%20command%20after%20upgrade%28-NB%29%3F/#H3.A0VersionConfirmation]] above, and run the firmware first after updating the firmware.
1022	1022
1023	1023	* After the firmware upgrade is complete, switch back to the **FLASH** and reset the node to **run the new firmware once**.
1024	1024	* Then place the switch at the **ISP** and connect to the STM32CubeProgrammer (same as when burning the firmware).
...	...	@@ -1029,7 +1029,7 @@
1029	1029
1030	1030
1031	1031
1032		-=== Special case ===
	1034	+== 6.7.5. Special case ==
1033	1033
1034	1034
1035	1035	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**).