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	2	+**~ Contents:**
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	4	+{{toc/}}
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1	1	= 1. Introduction =
2	2
3	3	This article shows the firmware upgrade method and troubleshooting for the below models Dragino sensors.
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65	65
66	66	== 3.2 Install PSoCProgrammer 3.27.1 ==
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68	68	Download Link: [[PSoCProgrammer3.27.1>>url:https://www.dragino.com/downloads/index.php?dir=tools/]]
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69	69
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70	70	And then use PSoCProgrammer to upgrade the firmware (must use this version: PSoCProgrammer3.27.1)
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71	71
72	72	[[image:https://wiki.dragino.com/images/0/0f/Ppp1.png||alt="Ppp1.png" height="68" width="318"]]
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90	90	[[image:https://wiki.dragino.com/images/thumb/e/ec/Ppp12.png/600px-Ppp12.png||alt="Ppp12.png" height="265" width="600"]]
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92	92
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93	93	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.
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94	94
95	95	[[image:https://wiki.dragino.com/images/thumb/e/e2/Ppp13.png/600px-Ppp13.png||alt="Ppp13.png" height="337" width="600"]]
96	96
97	97	[[image:https://wiki.dragino.com/images/thumb/6/6f/Ppp14.png/600px-Ppp14.png||alt="Ppp14.png" height="338" width="600"]]
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99	99	It is very important to press the reset button after the upgrade., this is to set the device to work in Low Power mode
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100	100
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101	101	*If you change different LoRa Frequency Bands/Region, you need using AT+FDR command to restore factory data after program success
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102	102
103	103	= 4. Trouble Shooting =
104	104