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247	247
248	248	==== (% _msthash="777" _msthidden="1" _msttexthash="227097" %)3.1.3.3 LA66 upgrade(%%) ====
249	249
250		-===== 3.1.3.3.1 How to upgrade the bootloader =====
251		-
252		-(% style="color:red" %)**Note: When using the LA66 upgrade function, make sure that the firmware is withbootloader version.**
253		-
254		-**Firmware download（Please select withbootloader version）:**
255		-
256		-[[Firmware - Dropbox>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AABJQUWNgt61Z567OcUf-sIya/LA66%20LoRaWAN%20module/Firmware?dl=0&subfolder_nav_tracking=1]]
257		-
258		-[[https:~~/~~/www.dropbox.com/scl/fo/hcfg5lao4yf9ochfmjnfd/ANbNnQgDqV-Cg1H07el76Ec/LA66%20LoRaWAN%20module/Firmware/USB%20LoRaWAN%20Adapter%20LBT/USB%20LoRaWAN%20Adapter%20LBT%20v1.2%20with%20bootloader?dl=0&rlkey=eahktqvu4shob5if3fay1khfe&subfolder_nav_tracking=1>>https://www.dropbox.com/scl/fo/hcfg5lao4yf9ochfmjnfd/ANbNnQgDqV-Cg1H07el76Ec/LA66%20LoRaWAN%20module/Firmware/USB%20LoRaWAN%20Adapter%20LBT/USB%20LoRaWAN%20Adapter%20LBT%20v1.2%20with%20bootloader?dl=0&rlkey=eahktqvu4shob5if3fay1khfe&subfolder_nav_tracking=1]]
259		-
260		-①、Open the "ASR6601Programmer_v0.9" software;
261		-
262		-②、Insert LA66 into the PC (If the LA66 hardware version is V1.2 and above, the user needs to short the Boot and RX before plugging in the PC);
263		-
264		-③、Select the serial port, select the baud rate of 9600, and select the downloaded with bootloader.bin file in front of the @0x08000000;
265		-
266		-④、Press the reset button of LA66(LA66 hardware version v1.2 or later does not need to do this).
267		-
268		-⑤、 Click Start to burn.
269		-
270		-[[image:image-20250115174551-1.png]][[image:image-20250115174601-2.png||height="226" width="265"]]
271		-
272		-[[image:image-20250115174621-3.png||height="515" width="402"]]
273		-
274		-
275		-===== 3.1.3.3.2 How to upgrade the LA66 firmware =====
276		-
277	277	(% _msthash="776" _msthidden="1" _msttexthash="2082054" %)
278	278	The LA66 USB connects to the phone via the USB-Type C adapter.
279	279
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296	296	Then, the Device Tool will automatically open.
297	297
298	298	(% _msthash="772" _msthidden="1" _msttexthash="5279781" class="wikigeneratedid" %)
299		-Open the Devices Tool and click on (% _mstmutation="1" style="color:blue" %)**"Upgrade Device"**(%%).
	272	+**For Device Tool version 1.4, the LA66 upgrade supports direct upgrade of Bootlooder and firmware. No need to use Tremo Programmer to download Bootlooder.**
300	300
301	301	(% _msthash="772" _msthidden="1" _msttexthash="5279781" class="wikigeneratedid" %)
302		-Select the device type and click **"LA66"**., insert
303		-
304		-(% _msthash="772" _msthidden="1" _msttexthash="5279781" class="wikigeneratedid" %)
305	305	Follow the steps in order:
306	306
307	307	(% _msthash="772" _msthidden="1" _msttexthash="5279781" class="wikigeneratedid" %)
308		-① Click "SELECT UPGRADE FILE" to select the .bin file to be upgraded to LA66.
	278	+① Click "SELECT UPGRADE FILE" to choose the Bootloader or firmware to upgrade.To ensure the firmware is updated, users must first update the corresponding Bootloader.
309	309
310	310	(% _msthash="772" _msthidden="1" _msttexthash="5279781" class="wikigeneratedid" %)
311	311	② Click "START".