Changes for page Use BLE to upgrade firmware for NB-IoT/LTE-M end node

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67	67	(% class="lead" %)
68		-(% style="color:blue" %)**Step2:**(%%)** Download Dragino Sensor Management Tool**
	68	+(% style="color:blue" %)**Step2:**(%%)** Modify Bluetooth host parameters**
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	70	+After using the serial port to connect to the Bluetooth host, send AT+BAUD7; AT+TIMEINQ40; AT+RESET three commands and then disconnect the serial port connecting to the Bluetooth host.
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	72	+(% style="color:red" %)**(Note: The default baud rate of Bluetooth host is 9600, you need to use 9600 baud rate to send commands first.)**
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	74	+[[image:image-20240911172933-1.png]]
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	76	+(% class="lead" %)
	77	+(% style="color:blue" %)**Step3:**(%%)** Download Dragino Sensor Management Tool**
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70	70	**[[Download URL >>https://www.dropbox.com/scl/fo/9kqeqf6wmet10o9hgxuwa/h?rlkey=4ikrg6kg5v0yjxwhp0i37wrv7&dl=0]]**
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73	73	(% class="lead" %)
74		-(% style="color:blue" %)**Step3:**(%%)** Update .bin Firmware**
	83	+(% style="color:blue" %)**Step4:**(%%)** Update .bin Firmware**
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76	76	(% style="color:red" %)**warning：Before upgrading, it is necessary to ensure that the baud rate of the Bluetooth host is 9600.**
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