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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]]
144	144
	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	+
145	145	=== 3.1.4 How to export logs ===
146	146
147	147

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