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...	...	@@ -38,9 +38,9 @@
38	38
39	39	== 2.3 LHT52 ==
40	40
41		-[[Firmware Location>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LHT52/firmware/]]
	41	+[[Firmware Location>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LHT52/Firmware/]]
42	42
43		-[[image:https://wiki.dragino.com/images/thumb/e/e0/ASR_Upgrade_LHT52_1.png/600px-ASR_Upgrade_LHT52_1.png||height="401" width="553"]]
	43	+[[image:https://wiki.dragino.com/images/thumb/e/e0/ASR_Upgrade_LHT52_1.png/600px-ASR_Upgrade_LHT52_1.png||height="142" width="195"]]
44	44
45	45	LHT52 Pin Mapping
46	46
...	...	@@ -90,21 +90,15 @@
90	90	[[image:https://wiki.dragino.com/images/thumb/e/ec/Ppp12.png/600px-Ppp12.png||alt="Ppp12.png" height="265" width="600"]]
91	91
92	92
93		-(((
94	94	Click the download icon, and the progress bar as shown in the figure below will appear. When PASS appears, it proves that the burning is successful.
95		-)))
96	96
97	97	[[image:https://wiki.dragino.com/images/thumb/e/e2/Ppp13.png/600px-Ppp13.png||alt="Ppp13.png" height="337" width="600"]]
98	98
99	99	[[image:https://wiki.dragino.com/images/thumb/6/6f/Ppp14.png/600px-Ppp14.png||alt="Ppp14.png" height="338" width="600"]]
100	100
101		-(((
102	102	It is very important to press the reset button after the upgrade., this is to set the device to work in Low Power mode
103		-)))
104	104
105		-(((
106	106	*If you change different LoRa Frequency Bands/Region, you need using AT+FDR command to restore factory data after program success
107		-)))
108	108
109	109	= 4. Trouble Shooting =
110	110