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...	...	@@ -1244,21 +1244,6 @@
1244	1244	In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
1245	1245
1246	1246
1247		-== 5.3 Possible reasons why the device is unresponsive： ==
1248		-
1249		-
1250		-​1. Check whether the battery voltage is lower than 2.8V
1251		-2. Check whether the jumper of the device is correctly connected
1252		-
1253		-[[image:image-20240330174400-2.png]]
1254		-3. Check whether the switch here of the device is at the ISP（The switch can operate normally only when it is in RUN）
1255		-
1256		-[[image:image-20240330174406-3.png]]
1257		-​
1258		-
1259		-(% class="wikigeneratedid" %)
1260		-= =
1261		-
1262	1262	= 8. Order Info =
1263	1263
1264	1264