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...	...	@@ -31,7 +31,6 @@
31	31	)))|(% style="width:222px" %)All firmware version|(% style="width:251px" %)
32	32	|(% style="width:193px" %)S31-LB, S31B-LB|(% style="width:222px" %)All firmware version|(% style="width:251px" %)
33	33
34		-
35	35	= 3. How to do OTA update =
36	36
37	37	== 3.1 Required Components ==
...	...	@@ -40,7 +40,9 @@
40	40	* Hardware: [[LA66 USB>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]] with [[OTA_firmware>>https://www.dropbox.com/sh/4qnjreg1esxu16i/AADbRjW_tuBP3IIkmf11nSoma?dl=0]] installed.
41	41	* Software: [[OTA_Tool>>https://www.dropbox.com/sh/4qnjreg1esxu16i/AADbRjW_tuBP3IIkmf11nSoma?dl=0]]. Only support Windows now
42	42
	42	+[[image:image-20230513115907-1.png||height="399" width="819"]]
43	43
	44	+
44	44	== 3.2 Update Steps ==
45	45
46	46
...	...	@@ -88,9 +88,22 @@
88	88	[[image:image-20230114174134-2.png]]
89	89
90	90
91		-= 4. OTA Tool Known Bug: =
92	92
	93	+= 4. FAQ =
93	93
	95	+== 4.1 Can i use other devices to connect to PC if i don't have LA66 USB? ==
	96	+
	97	+If user doesn't have LA66 USB Adapter, they can still use other Dragino Device to connect to PC for OTA update. Steps:
	98	+
	99	+* Find the suitable mode which base on LA66 chip ( All LoRaWAN model with LB or LS suffix , such as SN50v3-LB)
	100	+* Update the LA66 USB OTA firmware to the device.
	101	+* Connect the device to PC via UART interface.
	102	+* Make sure power off or update the firmware back to original firmware , because the LA66 USB OTA fimware is not low power consumption firmware. it will consume the battery very fast.
	103	+
	104	+
	105	+= 5. OTA Tool Known Bug: =
	106	+
	107	+
94	94	~1. If user click "(% style="color:blue" %)**Start**"(%%) but there is issue during update. User may need to close and open the tool again.
95	95
96	96