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...	...	@@ -119,11 +119,10 @@
119	119	Fri Feb  7 01:20:30 2020 daemon.info pppd[29452]: Serial connection established.
120	120	)))
121	121
122		-
123	123	== **2.4 If the following situation occurs, how can users solve this problem?** ==
124	124
125	125
126		-=== **2.4.1. The gateway can read the SIM card, But the Internet is displayed as Fail.** ===
	125	+=== **1. The gateway can read the SIM card, But the Internet is displayed as Fail.** ===
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128	128
129	129	//Users can check whether the APN matched by the SIM card is correct.//
...	...	@@ -133,7 +133,7 @@
133	133	[[image:image-20220718155937-1.png||height="562" width="497"]]
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135	135
136		-=== **2.4.2. The gateway can read the SIM card, But the Internet is displayed as Fail, and at the same time Network displays the carrier network.** ===
	135	+=== **2. The gateway can read the SIM card, But the Internet is displayed as Fail, and at the same time Network displays the carrier network.** ===
137	137
138	138
139	139	//It should be SIM card no flow, users can insert SIM cards into the mobile phone for testing.//
...	...	@@ -141,7 +141,7 @@
141	141	[[image:1658131428288-728.png||height="538" width="494"]]
142	142
143	143
144		-=== **2.4.3. The gateway can't read the SIM card, and the Internet is displayed as Fail.** ===
	143	+=== **3. The gateway can't read the SIM card, and the Internet is displayed as Fail.** ===
145	145
146	146
147	147	//Users need to check whether the SIM card type is suitable for the EC25 module.//
...	...	@@ -149,7 +149,7 @@
149	149	[[image:1658131612484-845.png||height="549" width="499"]]
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151	151
152		-=== **2.4.4. SIM display：~*~**SIM ERROR~*~** Check SIM is inserted test SIM in a mobile phone？** ===
	151	+=== **4. SIM display：~*~**SIM ERROR~*~** Check SIM is inserted test SIM in a mobile phone？** ===
153	153
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155	155	//Users can insert SIM cards into the mobile phone for testing.//