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...	...	@@ -1259,6 +1259,47 @@
1259	1259	It is because the partitions are different when upgrading versions above 1.4.1, and a new partition file needs to be added. Please refer to the operation steps in chapter 8.3.1
1260	1260
1261	1261
	1262	+==== 8.3.2.1 If there is a situation in Figure 1,and a new partition file and bootloader file needs to be added. Please refer to the operation steps in Figure 2 ====
	1263	+
	1264	+[[image:image-20221122100004-1.png||height="497" width="534"]]
	1265	+
	1266	+ Figure 1
	1267	+
	1268	+ [[image:image-20221122100004-2.png||height="619" width="389"]]
	1269	+
	1270	+ Figure 2
	1271	+
	1272	+After the upgrade is completed, enter AT+CFG as shown in the figure below.
	1273	+
	1274	+[[image:image-20221122100004-3.png]]
	1275	+
	1276	+Please AT+FDR, and then enter the following instructions by the information on the label
	1277	+
	1278	+AT+DEUI=70B3D57ED0053981
	1279	+
	1280	+AT+APPEUI=D23345667BCBCCAF
	1281	+
	1282	+AT+APPKEY=F402A1A7A350445A7CD2DEA95511BFA1
	1283	+
	1284	+AT+DADDR=260b4dce
	1285	+
	1286	+AT+NWKSKEY=71cb7672441f573a53d4f34d307fc61d
	1287	+
	1288	+AT+APPSKEY=dacce2299ecd97a73ee3f80b5a46a559
	1289	+
	1290	+
	1291	+
	1292	+==== 8.3.2.2 If there is a situation in Figure 1, and a new partition file needs to be added. Please refer to the operation steps in chapter 8.3.1 ====
	1293	+
	1294	+[[image:image-20221122100004-4.png]]
	1295	+
	1296	+== ==
	1297	+
	1298	+== 8.4 When positioning, it will restart or the PDOP setting is unsuccessful ==
	1299	+
	1300	+Please download version 1.4.2 again
	1301	+
	1302	+
1262	1262	(((
1263	1263	== 8.5 How to deal with unsuccessful GPS positioning? ==
1264	1264
...	...	@@ -1275,11 +1275,9 @@
1275	1275	)))
1276	1276
1277	1277
1278		-== 8.6 When positioning, it will restart or the PDOP setting is unsuccessful ==
	1319	+== ==
1279	1279
1280		-Please download version 1.4.2 again
1281	1281
1282		-
1283	1283	= 9.  Order Info =
1284	1284
1285	1285