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Last modified by Mengting Qiu on 2025/06/17 09:18
From version 20.1
edited by Edwin Chen
on 2023/05/20 10:32
Change comment: There is no comment for this version
To version 13.1
edited by Edwin Chen
on 2023/05/13 12:02
Change comment: Uploaded new attachment "image-20230513115907-1.png", version {1}

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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 +
34 34  = 3. How to do OTA update =
35 35  
36 36  == 3.1 Required Components ==
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39 39  * 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.
40 40  * Software: [[OTA_Tool>>https://www.dropbox.com/sh/4qnjreg1esxu16i/AADbRjW_tuBP3IIkmf11nSoma?dl=0]]. Only support Windows now
41 41  
42 -[[image:image-20230513120722-2.png||height="409" width="866"]]
43 43  
44 -
45 45  == 3.2 Update Steps ==
46 46  
47 47  
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89 89  [[image:image-20230114174134-2.png]]
90 90  
91 91  
91 += 4. OTA Tool Known Bug: =
92 92  
93 -= 4. FAQ =
94 94  
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 -== 4.2 Where to find OTA Password? ==
105 -
106 -Each device has a shipped label with OTA Password which is 16 chars. like below. If user don't find this, please send us a photo for the device with Dev EUI to [[support@dragino.com>>mailto:support@dragino.com]] . and we will search the password for you.
107 -
108 -[[image:image-20230519102907-2.png||height="286" width="580"]]
109 -
110 -
111 -== 4.3 How about if i upgrade a crashed firmware via OTA update? ==
112 -
113 -OTA update is done via Bootloader and only change the firmware partition. So update a crash firmware via OTA update won't destroy bootloader and user can use OTA method to update again. Here are notice:
114 -
115 -1. OTA update frequency depend on the firmware frequency. If there is no frequency in the firmware. Bootloader will use EU868 as default frequency.
116 -1. OTA update require a reset or reactivate action. If the crash firmware doesn't have them work, user need to manuall push the physic reset button on the PCB or power off/on device.
117 -
118 -
119 -
120 -= 5. OTA Tool Known Bug: =
121 -
122 -
123 123  ~1. If user click "(% style="color:blue" %)**Start**"(%%) but there is issue during update. User may need to close and open the tool again.
124 124  
125 125  
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