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76	76	Dragino Bootloader is a customizer made bootloader which support below features:
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78		-* OTA Update via LoRa
79		-* OTA Batch update configure via LoRa
	78	+* OTA Update via LoRa or BLE
	79	+* OTA Batch update configure via LoRa or BLE
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81	81	All Dragino End Devices base on LoRa ST v4 supports Dragino Bootloader.
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93	93	If your is LoRa ST v4 base hardware and doesn't have bootloader. You can upload a bootloader to it.
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95		-**[[Downlink Link for OTA bootloader>>https://www.dropbox.com/sh/g4cp2lm85ovr8hu/AADX-4aEE-7SuKQAKTWrgKHIa?dl=0]].**
96	96
97		-
98		-**Update a firmware via TremoProgrammer:**
99		-
100		-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:
101		-
102		- (% style="color:blue" %)**Step1**(%%): Set BOOT Switch to (% style="color:blue" %)**PROG**(%%) mode. PROG mode is for update firmware specially.
103		-
104		- (% style="color:blue" %)**Step2**(%%): Press (% style="color:blue" %)**Reset**(%%) button, the module will then boot into program mode.
105		-
106		- (% style="color:blue" %)**Step3**(%%): Use (% style="color:blue" %)**TremoProgrammer**(%%) to update the firmware to LoRaST v4.
107		-
108		- (% style="color:blue" %)**Step4**(%%): Set BOOT Switch to (% style="color:blue" %)**FLASH**(%%) position. Press Reset button again and module will run the new software.
109		-
110		-
111		-Below is the method for how to update via (% style="color:blue" %)**TremoProgrammer:**
112		-
113		-1.  **TremoProgrammer** download link:  [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]
114		-
115		-2.  Run** (% style="color:blue" %)TremoProgrammer.(%%)**
116		-
117		-3.  Choose software and set the address to (% style="color:blue" %)**0x08000000**(%%).
118		-
119		-4. Rember to set BOOT Switch to (% style="color:blue" %)**FLASH**(%%) after update finish. And you should be about to see Bootloader info in output after update
120		-
121		-[[image:image-20230515171651-1.png]]
122		-
123		-
124		-
125	125	== 3.2 Update Firmware (Assume the device already have a bootloader) ==
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127	127	=== 3.2.1 Update a firmware via Dragino bootloader ===
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151	151	2.  Run** (% style="color:blue" %)TremoProgrammer.(%%)**
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153		-3.  Choose software and set the address to (% style="color:blue" %)**0x0800D000**(%%). (% style="color:red" %)VERY IMPORTANT for this address.
	124	+3.  Choose software and set the address to (% style="color:blue" %)**0x0800D000**(%%). (% style="color:red" %)VERY IMPORTANT: USE THIS ADDRESS FOR FIRMWARE WITHOUT BOOTLOADER
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155	155	4. Rember to set BOOT Switch to (% style="color:blue" %)**FLASH**(%%) after update
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157	157	[[image:image-20221224174341-4.png||height="471" width="374"]]
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