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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 LA66 and LB Series ====
	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	+* 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]]
	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
145		-Remote Upgrade Instructions：[[LA66 & LB Series Upgrade>>https://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/#H3.2OTAUpdateFirmwareviaMobilePhone2BLA66]]
	151	+The LA66 USB connects to the phone via the USB-Type c adapter.
146	146
	153	+[[image:image-20241207113056-9.png||_mstalt="431366" height="240" width="555"]]
147	147
	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,
	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	+
148	148	=== 3.1.4 How to export logs ===
149	149
150	150