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...	...	@@ -97,7 +97,7 @@
97	97	)))
98	98
99	99	(((
100		-And then use PSoCProgrammer to upgrade the firmware (must use this version: PSoCProgrammer3.27.1)
	100	+And then use PSoCProgrammer to upgrade the firmware ( (% style="color:red" %) must use this version: PSoCProgrammer3.27.1 (%%))
101	101	)))
102	102
103	103	[[image:image-20220527084537-7.png]]
...	...	@@ -143,11 +143,9 @@
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		-
148		-
149	149	)))
150	150
	148	+
151	151	= 4. Trouble Shooting =
152	152
153	153	== 4.1 Unable to detect upgrade ==
...	...	@@ -154,4 +154,5 @@
154	154
155	155
156	156	* Try to shot the bootloader pin to GND and reset the device. So the device will runs in bootloader mode.
157		-* Or use AT+IREBOOT=7 to set the device to work in bootloader mode.
	155	+
	156	+* Or use **(% style="color:blue" %)AT+IREBOOT=7**(%%) to set the device to work in bootloader mode.