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

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