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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 or BLE
79		-* OTA Batch update configure via LoRa or BLE
	78	+* OTA Update via LoRa
	79	+* OTA Batch update configure via LoRa
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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]].**
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	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]]
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	123	+
	124	+
96	96	== 3.2 Update Firmware (Assume the device already have a bootloader) ==
97	97
98	98	=== 3.2.1 Update a firmware via Dragino bootloader ===
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122	122	2.  Run** (% style="color:blue" %)TremoProgrammer.(%%)**
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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
	153	+3.  Choose software and set the address to (% style="color:blue" %)**0x0800D000**(%%). (% style="color:red" %)VERY IMPORTANT for this address.
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126	126	4. Rember to set BOOT Switch to (% style="color:blue" %)**FLASH**(%%) after update
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128	128	[[image:image-20221224174341-4.png||height="471" width="374"]]
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