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87	87	[[image:https://wiki.dragino.com/images/thumb/0/09/STM32_UART_Upgrade_5.png/600px-STM32_UART_Upgrade_5.png||height="385" width="600"]]
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	89	+(((
89	89	UART Upgrade
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90	90
91	91	(((
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92	92	Step 5: For switch type ISP Mode, After upgrade,please remember to switch back to Flash mode and press RESET Button to run the firmware.
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96	96	Step 6: Always run AT+FDR after update firmware. This is to reset the device to factory settings of the new firmware.
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98	98	)))
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99	99
100	100	== 3.3 Trouble shooting ==
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