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...	...	@@ -97,7 +97,7 @@
97	97	)))
98	98
99	99	(((
100		-And then use PSoCProgrammer to upgrade the firmware ( (% style="color:red" %) must use this version: PSoCProgrammer3.27.1 (%%))
	100	+And then use PSoCProgrammer to upgrade the firmware (must use this version: PSoCProgrammer3.27.1)
101	101	)))
102	102
103	103	[[image:image-20220527084537-7.png]]
...	...	@@ -143,9 +143,11 @@
143	143
144	144	(((
145	145	(% style="color:red" %)If you change different LoRa Frequency Bands/Region, you need using AT+FDR command to restore factory data after program success.
146		-)))
147	147
148	148
	148	+
	149	+)))
	150	+
149	149	= 4. Trouble Shooting =
150	150
151	151	== 4.1 Unable to detect upgrade ==
...	...	@@ -152,5 +152,4 @@
152	152
153	153
154	154	* Try to shot the bootloader pin to GND and reset the device. So the device will runs in bootloader mode.
155		-
156		-* Or use **(% style="color:blue" %)AT+IREBOOT=7**(%%) to set the device to work in bootloader mode.
	157	+* Or use **AT+IREBOOT=7** to set the device to work in bootloader mode.