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...	...	@@ -32,12 +32,13 @@
32	32	[[image:image-20220527083959-2.png]]
33	33
34	34	Connect DAP-Link
	35	+
35	35
36	36
37	37	== 2.2 LDS02/LWL02 ==
38	38
39	39
40		-[[Firmware Location(same as LDS01)>>https://www.dropbox.com/sh/9j35mnsxnz0y3ye/AACj5gHGOURGEHCpj-E861Mua?dl=0]]
	41	+[[Firmware Location(same as LDS01)>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
41	41
42	42
43	43	(((
...	...	@@ -55,10 +55,11 @@
55	55	LDS02/LDS02 v2.2 Pin Mapping
56	56
57	57
	59	+
58	58	== 2.3 LHT52 ==
59	59
60	60
61		-[[Firmware Location>>https://www.dropbox.com/sh/ayxhuf5dihtfu6c/AABRe_suu54EdTSFZIbD7t-ea?dl=0]]
	63	+[[Firmware Location>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LHT52/firmware/]]
62	62
63	63	[[image:image-20220527084401-5.png]]
64	64
...	...	@@ -65,6 +65,7 @@
65	65	LHT52 Pin Mapping
66	66
67	67
	70	+
68	68	= 3. How to Upgrade =
69	69
70	70	== 3.1 Use DAP-Link and Connect to the Device as above photos ==
...	...	@@ -94,18 +94,20 @@
94	94	)))
95	95
96	96	(((
97		-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)
98	98	)))
99	99
100	100	[[image:image-20220527084537-7.png]]
101	101
102	102
	106	+
103	103	== 3.3 Download Sensor Firmware ==
104	104
105	105
106		-Downlink sensor firmware to prepare the update.
	110	+Downlink sensor firmware to prepare the update
107	107
108	108
	113	+
109	109	== 3.4 Upgrade Firmware ==
110	110
111	111
...	...	@@ -132,16 +132,17 @@
132	132
133	133	[[image:image-20220527084907-12.png]]
134	134
135		-
136	136	(((
137		-(% style="color:red" %)**It is very important to press the reset button after the upgrade., this is to set the device to work in Low Power mode.**
	141	+It is very important to press the reset button after the upgrade., this is to set the device to work in Low Power mode
138	138	)))
139	139
140	140	(((
141		-(% style="color:red" %)**If you change different LoRa Frequency Bands/Region, you need using **(% style="color:blue" %)**AT+FDR **(% style="color:red" %)**command to restore factory data after program success.**
142		-)))
	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.
143	143
144	144
	148	+
	149	+)))
	150	+
145	145	= 4. Trouble Shooting =
146	146
147	147	== 4.1 Unable to detect upgrade ==
...	...	@@ -148,5 +148,4 @@
148	148
149	149
150	150	* Try to shot the bootloader pin to GND and reset the device. So the device will runs in bootloader mode.
151		-
152		-* 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.