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

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