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1		-(% class="wikigeneratedid" %)
2		-**~ Contents:**
3		-
4		-{{toc/}}
5		-
6		-
7	7	= 1. Introduction =
8	8
9	9	This article shows the firmware upgrade method and troubleshooting for the below models Dragino sensors.
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71	71
72	72	== 3.2 Install PSoCProgrammer 3.27.1 ==
73	73
74		-(((
75	75	Download Link: [[PSoCProgrammer3.27.1>>url:https://www.dragino.com/downloads/index.php?dir=tools/]]
76		-)))
77	77
78		-(((
79	79	And then use PSoCProgrammer to upgrade the firmware (must use this version: PSoCProgrammer3.27.1)
80		-)))
81	81
82	82	[[image:https://wiki.dragino.com/images/0/0f/Ppp1.png||alt="Ppp1.png" height="68" width="318"]]
83	83
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100	100	[[image:https://wiki.dragino.com/images/thumb/e/ec/Ppp12.png/600px-Ppp12.png||alt="Ppp12.png" height="265" width="600"]]
101	101
102	102
103		-(((
104	104	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.
105		-)))
106	106
107	107	[[image:https://wiki.dragino.com/images/thumb/e/e2/Ppp13.png/600px-Ppp13.png||alt="Ppp13.png" height="337" width="600"]]
108	108
109	109	[[image:https://wiki.dragino.com/images/thumb/6/6f/Ppp14.png/600px-Ppp14.png||alt="Ppp14.png" height="338" width="600"]]
110	110
111		-(((
112	112	It is very important to press the reset button after the upgrade., this is to set the device to work in Low Power mode
113		-)))
114	114
115		-(((
116	116	*If you change different LoRa Frequency Bands/Region, you need using AT+FDR command to restore factory data after program success
117		-)))
118	118
119	119	= 4. Trouble Shooting =
120	120