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124	124
125	125	== 3.2 Update Firmware (Assume the device already have a bootloader) ==
126	126
127		-=== 3.2.1 Update a firmware via Dragino Sensor Manager Utility.exe ===
	127	+=== 3.2.1 Update a firmware via Dragino bootloader ===
128	128
129		-~1. Download **[[OTA Tool>>https://www.dropbox.com/sh/bqepfzvusv6ig8e/AACKB4J9pdY1I7s5kcKfCUGHa?dl=0]]**
130	130
131		-2. Use below schedule to update:
132	132
133		-[[image:image-20230520100249-1.png||height="483" width="805"]]
134	134
135		-[[image:image-20230520100405-3.png||height="295" width="804"]]
	132	+=== 3.2.2 Update a firmware via TremoProgrammer ===
136	136
	134	+Make sure your device already bootloader while use this update. Other device won't be able to boot ( can be solve by upload a bootloader to the device).
137	137
138		-[[image:image-20230520100541-5.png||height="535" width="799"]]
139		-
140		-
141		-= 4. FAQ =
142		-
143		-== 4.1 How to recover if upgrade wrong file to bootloader? ==
144		-
145		-You can just upload the bootloader again.
146		-
147		-
148		-== 4.2 How to recover if upgrade wrong firmware via Dragino Sensor Manager Utility.exe? ==
149		-
150		-The UART upgrade via Dragino Sensor Manager Utility.exe is base on Dragino Bootloader. So if you are able to upgrade some file via this tool. It means the device has bootloder.
151		-
152		-
153		-The upgrade via Dragino Sensor Manager Utility is base on firmware level and won't effect the bootloader. If you upgrade a wrong firmware file, you can try below:
154		-
155		-~1. UART upgrade via Dragino Sensor Manager Utility again to the correct version. The password should use the AT PIN for the wrong firmware.  (This method is not 100% work, depends which wrong firmware you have upgraded)
156		-
157		-2. Use **TremoProgrammer **to update firmware. [[Insturction>>||anchor="H4.3HowtouseTremoProgrammertoupdatefirmwareifthereisbootloaderinthedevice3F"]]
158		-
159		-3. Use **[[OTA update>>http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**, this is base on Bootloader so it will work. Make you choose the correct frequency band (base on the firmware version in the sensor or use EU868 which is the default setting.)
160		-
161		-
162		-== 4.3 How to use TremoProgrammer to update firmware if there is bootloader in the device? ==
163		-
164		-Make sure your device already bootloader while use this update. Otherwise device won't be able to boot ( can be solve by upload a bootloader to the device).
165		-
166	166	LoRaSTv4 Base hardware support UART update firmware. the UART connection is the same as AT Command connection, with the need for two extra action. See below for the steps:
167	167
168		- **Step1**: Set BOOT Switch to **PROG** mode. PROG mode is for update firmware specially.
	138	+ (% style="color:blue" %)**Step1**(%%): Set BOOT Switch to (% style="color:blue" %)**PROG**(%%) mode. PROG mode is for update firmware specially.
169	169
170		- **Step2**: Press **Reset** button, the module will then boot into program mode.
	140	+ (% style="color:blue" %)**Step2**(%%): Press (% style="color:blue" %)**Reset**(%%) button, the module will then boot into program mode.
171	171
172		- **Step3**: Use **TremoProgrammer** to update the firmware to LoRaST v4.
	142	+ (% style="color:blue" %)**Step3**(%%): Use (% style="color:blue" %)**TremoProgrammer**(%%) to update the firmware to LoRaST v4.
173	173
174		- **Step4**: Set BOOT Switch to **FLASH** position. Press Reset button again and module will run the new software.
	144	+ (% style="color:blue" %)**Step4**(%%): Set BOOT Switch to (% style="color:blue" %)**FLASH**(%%) position. Press Reset button again and module will run the new software.
175	175
176		-Below is the method for how to update via **TremoProgrammer:**
177	177
	147	+Below is the method for how to update via (% style="color:blue" %)**TremoProgrammer:**
	148	+
178	178	1.  Software download link:  [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]
179	179
180		-2.  Run** TremoProgrammer.**
	151	+2.  Run** (% style="color:blue" %)TremoProgrammer.(%%)**
181	181
182		-3.  Choose software and set the address to **0x0800D000**. (% class="mark" %)VERY IMPORTANT for this address(%%).
	153	+3.  Choose software and set the address to (% style="color:blue" %)**0x0800D000**(%%). (% style="color:red" %)VERY IMPORTANT for this address.
183	183
184		-4. Rember to set BOOT Switch to **FLASH** after update
	155	+4. Rember to set BOOT Switch to (% style="color:blue" %)**FLASH**(%%) after update
185	185
186		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/WebHome/image-20221224174341-4.png?width=374&height=471&rev=1.1||alt="image-20221224174341-4.png" height="471" width="374"]]
187		-
188		-
	157	+[[image:image-20221224174341-4.png||height="471" width="374"]]