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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Edwin

Content

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144	144	(((
145	145	(% style="color:red" %)If you change different LoRa Frequency Bands/Region, you need using AT+FDR command to restore factory data after program success.
146		-)))
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	148	+
	149	+)))
	150	+
149	149	= 4. Trouble Shooting =
150	150
151	151	== 4.1 Unable to detect upgrade ==
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153	153
154	154	* Try to shot the bootloader pin to GND and reset the device. So the device will runs in bootloader mode.
155		-
156		-* Or use **(% style="color:blue" %)AT+IREBOOT=7**(%%) to set the device to work in bootloader mode.
	157	+* Or use **AT+IREBOOT=7** to set the device to work in bootloader mode.