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Last modified by Mengting Qiu on 2025/06/17 09:18
From version 43.1
edited by Yi Wang
on 2025/01/22 09:35
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To version 70.2
edited by Mengting Qiu
on 2025/02/14 16:22
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64 64  == 3.1 Required Components ==
65 65  
66 66  
67 -* See FAQ 4.4 for how to update LA66 with the OTA Dongle Firmware.
68 -
67 +* See FAQ 4.4 for how to update LA66 with the [[OTA Dongle Firmware>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/AFhmjtEOaipfBAFrpMCoWrI/LoRaWAN%20End%20Node/LA66%20LoRaWAN%20module/Firmware/OTA_Firmware?dl=0&rlkey=ojjcsw927eaow01dgooldq3nu&subfolder_nav_tracking=1]].
69 69  * Software: [[OTA_Tool>>https://www.dropbox.com/scl/fo/9kqeqf6wmet10o9hgxuwa/h?rlkey=4ikrg6kg5v0yjxwhp0i37wrv7&dl=0]]. Only support Windows now
70 70  
71 71  [[image:image-20230513120722-2.png||height="409" width="866"]]
72 72  
73 73  
74 -== 3.2 OTA Update Firmware ==
73 +== 3.2 OTA Update Firmware via Mobile Phone + LA66 ==
75 75  
75 +=== 3.2.1 LB series ===
76 76  
77 +* Hardware: LA66 USB
78 +[[image:image-20250214161740-1.png]][[image:image-20250214161758-2.png]]
79 +* Before using LA66 as a firmware burning tool for -LB products, you need to burn OTA_firmware for LA66 first.
80 +* If you have never downloaded LA66 OTA DongleV1.0 to your LA66, you can directly upgrade the LA66 OTA DongleV1.1 program from your phone using the following method.
81 +* Click to get [[bootlooder and OTA_firmware.>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/ALF3WtzilGPi-2nOdtQw1Z4/Utility/Sensor%20Manager%20Utility/OTA_Firmware?dl=0&rlkey=ojjcsw927eaow01dgooldq3nu&subfolder_nav_tracking=1]]
82 +* The firmware burning method refers to the LA66 upgrade below.[[Click to redirect.>>https://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/#H3.1.3.3LA66upgrade]]
83 +
84 +The LA66 USB connects to the phone via the USB-Type c adapter.
85 +
86 +[[image:image-20250214161844-3.png]]
87 +
88 +
89 +After the connection is successful, the phone will pop up a prompt box, check it and click to confirm.
90 +
91 +(% style="color:red" %)**Note:**
92 +
93 +**Some mobile phone models need to manually enable the OTG function to properly identify external devices.**
94 +
95 +[[image:image-20250214161907-4.png]]
96 +
97 +
98 +(% class="wikigeneratedid" id="H-1" %)
99 +Then, the Device Tool will automatically open.
100 +
77 77  (% class="wikigeneratedid" %)
102 +Open the Devices Tool and click on (% _mstmutation="1" style="color:blue" %)**"Upgrade Device"**(%%).
103 +
104 +(% class="wikigeneratedid" %)
105 +Select the device type and click **"LB"**.
106 +
107 +(% class="wikigeneratedid" %)
108 +Follow the steps in order:
109 +
110 +(% class="wikigeneratedid" %)
111 +① Enter the DUIEI,t
112 +
113 +(% class="wikigeneratedid" %)
114 +② Enter the PIN (**the PIN is the last 8 bytes of APPSKEY**),
115 +
116 +(% class="wikigeneratedid" %)
117 +③ Select the LoRa frequency to match the original frequency of the node,
118 +
119 +(% class="wikigeneratedid" %)
120 +④ Choose the upgrade file,(% style="color:red" %)**(The firmware upgrade file format only supports .bin files)**
121 +
122 +(% class="wikigeneratedid" %)
123 +⑤ After pressing the device's reset button, click start.
124 +
125 +(% class="wikigeneratedid" %)
126 +**(If the upgrade does not start for a long time, you can press the device reset button again.**
127 +
128 +(% class="wikigeneratedid" %)
129 +**If the user does not wish to open the casing, they can press and hold the KEY until the device flashes a green light; this action is equivalent to pressing the reset button.)**
130 +
131 +[[image:image-20250214161928-5.png]]
132 +
133 +
134 +(% class="wikigeneratedid" id="H-2" %)
135 +When the upgrade is complete, it will prompt:"**update successfully**".
136 +
137 +[[image:image-20250214161941-6.png]]
138 +
139 +
140 +==== 3.1.3.3 LA66 upgrade ====
141 +
142 +The LA66 USB connects to the phone via the USB-Type C adapter.
143 +
144 +[[image:image-20250214161955-7.png]]
145 +
146 +
147 +After the connection is successful, the phone will pop up a prompt box, check it, and click to confirm.
148 +
149 +(% style="color:red" %)**Note:**
150 +
151 +**Some mobile phone models need to manually enable the OTG function to properly identify external devices.**
152 +
153 +[[image:image-20250214162012-8.png]]
154 +
155 +
156 +(% class="wikigeneratedid" id="H-1" %)
157 +Then, the Device Tool will automatically open.
158 +
159 +(% class="wikigeneratedid" %)
160 +Follow the steps in order:
161 +
162 +(% class="wikigeneratedid" %)
163 +① Click "SELECT UPGRADE FILE" to choose the firmware to upgrade.
164 +
165 +(% class="wikigeneratedid" %)
166 +**In order to ensure that the LA66 USB works properly, make sure that there is a corresponding bootloader before updating the firmware.**
167 +
168 +(% class="wikigeneratedid" %)
169 +**If you don't have a bootloader, you need to use the "[[Tremo Programmer>>https://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.1.3Howtouploadbootloadertodevice3F]]" software to download it. Click to get **[[bootlooder>>url:https://wiki.dragino.com/xwiki/bin/download/Main/BLE%20Bluetooth%20Remote%20Configure/WebHome/LoRa_OTA_Bootloader_v1.4.bin?rev=1.1]].
170 +
171 +(% class="wikigeneratedid" %)
172 +② Click "START".
173 +
174 +(% class="wikigeneratedid" %)
175 +③ Press the reset key on the LA66 device.
176 +
177 +(% class="wikigeneratedid" %)
178 +**For LA66 USB LoRaWAN Adapter v1.2, the design of the reset button has been eliminated on the hardware. **
179 +
180 +[[image:image-20250214162156-13.png]]
181 +
182 +(% class="wikigeneratedid" %)
183 +[[image:image-20250214162029-9.png]]
184 +
185 +When the upgrade is complete, it will prompt:"**update successfully**".
186 +
187 +[[image:image-20250214162110-12.png]]
188 +
189 +
190 +== 3.3 OTA Update Firmware via PC ==
191 +
192 +
193 +(% class="wikigeneratedid" %)
78 78  (% class="mark text-uppercase" %)**Video Instruction:**(%%) ~-~- OTA Upgrade Firmware (via LoRa) of LoRaWAN Sensors**: [[https:~~/~~/youtu.be/SSvOqvBrwGg>>https://youtu.be/SSvOqvBrwGg]]**
79 79  
80 80  
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89 89  
90 90  * (% style="color:blue" %)**DevEUI**(%%): Input DevEUI of your sensor
91 91  
92 -* (% style="color:blue" %)**Password**(%%): Passord of your sensor**(Last eight bytes of APPSKEY)**
208 +* (% style="color:blue" %)**Password**(%%): Passord of your sensor**(Last eight bytes/** **Last 16 characters of APPSKEY)**
93 93  
94 94  * (% style="color:blue" %)**Port**(%%): Com port of LA66 USB
95 95  
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97 97  
98 98  * (% style="color:blue" %)**Upload_File**(%%): The firmware to be upload to the sensor. make sure the firmware is with surfix _without_bootloader. For example: LHT65N_EU868_v1.5_without_bootloader.
99 99  
100 -* (% style="color:blue" %)**DEUI_File**(%%): If customer has lots of sensors. He can also import the Dev EUI files and use droplist to choose the sensor to update. Format is as below:
216 +* (% style="color:blue" %)**DEUI_File**(%%): If customer has lots of sensors. He can also import the Dev EUI files and use droplist to choose the sensor to update. (If you did not ask us for a uniform update file, then you do not need to use this field, please ignore it.) Format is as below:
101 101  
102 102  [[image:image-20230114174640-3.png||height="130" width="1169"]]
103 103  
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125 125  [[image:image-20250121093834-4.png]]
126 126  
127 127  
128 -== 3.3 OTA Update Configure ==
244 += 4. FAQ =
129 129  
246 +== 4.1 OTA_Tool supports two upgrade methods for -LB products. ==
130 130  
131 -(% class="mark text-uppercase" %)**Video Instruction:**(%%) ~-~- OTA Upgrade Configure (via LoRa) of LoRaWAN Sensors**: [[https:~~/~~/youtu.be/5XedoNVkbQQ>>https://youtu.be/5XedoNVkbQQ]]**
132 132  
133 -OTA Update Configure is good for batch update configure in same type of sensors.
249 +(% style="color:red" %)**Note: The premise of using OTA_Tool is that all your devices have bootloaders.**
134 134  
251 +(% style="color:red" %)**1. **(%%)Only devices with bootloader can perform OTA upgrades(OTA upgrade method).
135 135  
136 -= 4. FAQ =
253 +(% style="color:red" %)**2.**(%%) This is because the boot loader's address is (% style="color:blue" %)**0x08000000**(%%), the general functional firmware's address is (% style="color:blue" %)**0x0800D000**(%%), and burning the firmware through OTA_Tool will only write content to the address (% style="color:blue" %)**0x0800D000**(%%). So whether you use the OTA_Tool's OTA upgrade method or the UART upgrade method, you can only use it to download firmware without a bootloader, otherwise you will incorrectly place the bootloader at address (% style="color:blue" %)**0x08000000**(%%).
137 137  
138 -== 4.1 Can i use other devices to connect to PC if i don't have LA66 USB? ==
255 +* For OTA_Tool, you can choose to use the (% style="color:blue" %)**OTA upgrade method**(%%), refer to the above upgrade steps in this user manual.
139 139  
257 +[[image:image-20250122104151-4.png||height="318" width="673"]]
140 140  
141 -If user doesn't have LA66 USB Adapter, they can still use other Dragino Device to connect to PC for OTA update.
259 +* Of course, if you have a USB-TTL adapter, you can also choose to use the [[UART upgrade method>>https://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H3.2UpdateFirmware28Assumethedevicealreadyhaveabootloader29]] via OTA_Tool.
142 142  
143 -(% style="color:blue" %)**Steps:**
261 +[[image:image-20250122104131-3.png||height="330" width="674"]]
144 144  
145 -* Find the suitable mode which base on LA66 chip ( All LoRaWAN model with LB or LS suffix , such as SN50v3-LB)
146 146  
147 -* Update the LA66 USB OTA firmware to the device.
148 -
149 -* Connect the device to PC via UART interface.
150 -
151 -* 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.
152 -
153 153  == 4.2 Where to find OTA Password? ==
154 154  
155 155  
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170 170  2. 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.
171 171  
172 172  
173 -== 4.4 How to update the LA66 OTA Dongle via mobile phone? ==
284 +== 4.4 How to update the LA66 OTA Dongle V1.1 via mobile phone? ==
174 174  
286 +
287 +[[image:image-20250122113225-5.png||height="259" width="615"]]
288 +
289 +* If you have never downloaded LA66 OTA DongleV1.0 to your LA66, you can directly upgrade the LA66 OTA DongleV1.1 program from your phone using the following method.
290 +
175 175  [[bootlooder>>url:https://wiki.dragino.com/xwiki/bin/download/Main/BLE%20Bluetooth%20Remote%20Configure/WebHome/LoRa_OTA_Bootloader_v1.4.bin?rev=1.1]] and [[OTA_firmware>>url:https://wiki.dragino.com/xwiki/bin/download/Main/BLE%20Bluetooth%20Remote%20Configure/WebHome/LA66%20OTA%20DONGLE%20v1.1.bin?rev=1.1]].
176 176  
177 177  Tool Download: [[Download link form Dropbox.>>https://www.dropbox.com/scl/fo/gyscmfn1s03oz3n8rif8w/AJW7JoMQsQ56dtlls2SNf9c?rlkey=3q2cxwriyzh26vuairx01yebc&st=be5jv92w&dl=0]] 
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178 178  
179 179  Operation instructions: [[Reference for operating procedures.>>https://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/#H3.1.3.3LA66upgrade]]
180 180  
297 +* If you have burned LA66 OTA DONGLE V1.0 for your LA66 according to previously existing instructions. Then you need to re-burn your LA66 boot loader first: [[LA66 USB LoRaWAN Adapter User Manual - DRAGINO>>url:https://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20USB%20LoRaWAN%20Adapter%20User%20Manual/#H1.10.2Updatemethod:A0ForLA66withoutbootloader]]
298 +
299 + Please refer to FAQ 4.7 for detailed reasons.
300 +
301 +
181 181  == 4.5 Will OTA update effect the Local LoRaWAN Network. ==
182 182  
183 183  User can configure the OTA_Frequency.txt file to change the Update frequency point so it won't conflict with the general LoRa Frequency. See below for the file as reference and explain. The OTA update also use a none-use SF (SF=5) which won't conflict with the current use SF.
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205 205  RU864;869.3;869.5,869.7
206 206  
207 207  
329 +== 4.6 The old version LA66 is different from the new version LA66. Can OTA_Tool be used for both versions? ==
330 +
331 +
332 +The most obvious hardware difference between LA66 V1 and LA66v2 when burning is the presence of a "RESET "button, and the RESET operation is only for LA66 without a boot loader, you can refer to this link to learn how to upgrade LA66 without a boot loader：[[LA66 USB LoRaWAN Adapter User Manual - DRAGINO>>url:https://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20USB%20LoRaWAN%20Adapter%20User%20Manual/#H1.10.2Updatemethod:A0ForLA66withoutbootloader]]
333 +
334 +[[image:image-20250122134752-6.png||height="288" width="543"]]
335 +
336 +In summary, as long as your LA66 has a boot loader, either LA66 V1 or LA66 V2 can use OTA_Tool.
337 +
338 +
339 +== 4.7 Why can't LA66 burn its own working firmware after it is used for OTA upgrade of -LB products? ==
340 +
341 +
342 +We are sorry for the inadequacy of LA66 for OTA updates in the past.
343 +
344 +* In the past, the download address of LA66 OTA DONGLE V1.0 was (% style="color:blue" %)**0x08000000**(%%), and the address of the bootloader that existed by default when the LA66 was shipped was also (% style="color:blue" %)**0x08000000**(%%).
345 +
346 +Therefore, when you burn OTA_Firmwar v1.0 (LA66 OTA DONGLE v1.0) for the LA66 in order to use the LA66‘s ability to perform OTA upgrades for -LB products, the LA66’s bootloader is overridden.
347 +
348 +So if you need to switch back to the LA66's working firmware, you'll need to refer to this [[link>>https://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20USB%20LoRaWAN%20Adapter%20User%20Manual/#H1.10.2Updatemethod:A0ForLA66withoutbootloader]] for instructions to burn firmware with a bootloader for the LA66.
349 +
350 +[[image:image-20250122113225-5.png||height="336" width="798"]]
351 +
352 +* For the new version of LA66 OTA DONGLE V1.1, we have changed the supported download address to (% style="color:blue" %)**0x0800D000**(%%) the same as other working firmware addresses, so you can simply use OTA_Tool to burn LA66 OTA DONGLE V1.1 and LA66 working firmware for LA66.
353 +
208 208  = 5. OTA Tool Known Bug: =
209 209  
210 210  
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