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139	139	[[image:image-20241230172614-19.png||_mstalt="455000" height="428" width="322"]]
140	140
141	141
142		-==== 3.1.3.2 LB series ====
	142	+==== 3.1.3.2 LA66 and LB Series ====
143	143
144		-* Hardware: LA66 USB
145		-[[image:image-20250213172807-1.png]][[image:image-20250213172928-2.png]]
146		-* Before using LA66 as a firmware burning tool for -LB products, you need to burn OTA_firmware for LA66 first.
147		-* 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.
148		-* [[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]].
149		-* 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]]
150	150
151		-The LA66 USB connects to the phone via the USB-Type c adapter.
	145	+Remote Upgrade Instructions：[[LA66 & LB Series Upgrade>>https://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/#H3.2OTAUpdateFirmwareviaMobilePhone2BLA66]]
152	152
153		-[[image:image-20241207113056-9.png||_mstalt="431366" height="240" width="555"]]
154	154
155		-
156		-After the connection is successful, the phone will pop up a prompt box, check it and click to confirm.
157		-
158		-(% style="color:red" %)**Note:**
159		-
160		-**Some mobile phone models need to manually enable the OTG function to properly identify external devices.**
161		-
162		-[[image:image-20250110114614-3.png||_mstalt="427557" height="654" width="317"]]
163		-
164		-
165		-(% class="wikigeneratedid" id="H-1" %)
166		-Then, the Device Tool will automatically open.
167		-
168		-(% class="wikigeneratedid" %)
169		-Open the Devices Tool and click on (% _mstmutation="1" style="color:blue" %)**"Upgrade Device"**(%%).
170		-
171		-(% class="wikigeneratedid" %)
172		-Select the device type and click **"LB"**.
173		-
174		-(% class="wikigeneratedid" %)
175		-Follow the steps in order:
176		-
177		-(% class="wikigeneratedid" %)
178		-① Enter the DUIEI,t
179		-
180		-(% class="wikigeneratedid" %)
181		-② Enter the PIN (**the PIN is the last 8 bytes of APPSKEY**),
182		-
183		-(% class="wikigeneratedid" %)
184		-③ Select the LoRa frequency to match the original frequency of the node,
185		-
186		-(% class="wikigeneratedid" %)
187		-④ Choose the upgrade file,(% style="color:red" %)**(The firmware upgrade file format only supports .bin files)**
188		-
189		-(% class="wikigeneratedid" %)
190		-⑤ After pressing the device's reset button, click start.
191		-
192		-(% class="wikigeneratedid" %)
193		-**(If the upgrade does not start for a long time, you can press the device reset button again.**
194		-
195		-(% class="wikigeneratedid" %)
196		-**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.)**
197		-
198		-[[image:image-20250213142919-1.png||height="428" width="329"]]
199		-
200		-
201		-(% class="wikigeneratedid" id="H-2" %)
202		-When the upgrade is complete, it will prompt:"**update successfully**".
203		-
204		-[[image:image-20241230163315-18.png||_mstalt="454038" height="443" width="328"]]
205		-
206		-
207		-==== 3.1.3.3 LA66 upgrade ====
208		-
209		-The LA66 USB connects to the phone via the USB-Type C adapter.
210		-
211		-[[image:image-20241207113056-9.png||_mstalt="431366" height="240" width="555"]]
212		-
213		-
214		-After the connection is successful, the phone will pop up a prompt box, check it, and click to confirm.
215		-
216		-(% style="color:red" %)**Note:**
217		-
218		-**Some mobile phone models need to manually enable the OTG function to properly identify external devices.**
219		-
220		-[[image:image-20250110114614-3.png||_mstalt="427557" height="654" width="317"]]
221		-
222		-
223		-(% class="wikigeneratedid" id="H-1" %)
224		-Then, the Device Tool will automatically open.
225		-
226		-(% class="wikigeneratedid" %)
227		-Follow the steps in order:
228		-
229		-(% class="wikigeneratedid" %)
230		-① Click "SELECT UPGRADE FILE" to choose the firmware to upgrade.
231		-
232		-(% class="wikigeneratedid" %)
233		-**In order to ensure that the LA66 USB works properly, make sure that there is a corresponding bootloader before updating the firmware.**
234		-
235		-(% class="wikigeneratedid" %)
236		-**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]].
237		-
238		-(% class="wikigeneratedid" %)
239		-② Click "START".
240		-
241		-(% class="wikigeneratedid" %)
242		-③ Press the reset key on the LA66 device.
243		-
244		-(% class="wikigeneratedid" %)
245		-**For LA66 USB LoRaWAN Adapter v1.2, the design of the reset button has been eliminated on the hardware. **
246		-
247		-
248		-(% class="wikigeneratedid" %)
249		-[[image:image-20250110134640-5.png||_mstalt="428480" height="294" width="319"]]/
250		-
251		-[[image:image-20250110135354-8.png||_mstalt="430612" height="253" width="319"]]
252		-
253		-When the upgrade is complete, it will prompt:"**update successfully**".
254		-
255		-[[image:image-20250110134822-6.png||_mstalt="429494" height="446" width="323"]]
256		-
257		-
258	258	=== 3.1.4 How to export logs ===
259	259
260	260

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