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...	...	@@ -78,9 +78,9 @@
78	78	Fri Feb  7 01:20:30 2020 local2.info chat[29485]: AT+CGDCONT=1,"IP",""^M^M
79	79	Fri Feb  7 01:20:30 2020 local2.info chat[29485]: OK
80	80	Fri Feb  7 01:20:30 2020 local2.info chat[29485]:  ~-~- got it
81		-(% style="color:#037691" %)Fri Feb  7 01:20:30 2020 local2.info chat[29485]: send (ATD*99#^M)      ~-~-~-~--> In case the dialling process already reach here.
82		-Normally the problem is with a provider, need to check if the SIM card has balance or other requirement from the cellular operator(%%)
83		-(% style="color:black" %)Fri Feb  7 01:20:30 2020 local2.info chat[29485]: expect (CONNECT)
	81	+Fri Feb  7 01:20:30 2020 local2.info chat[29485]: send (ATD*99#^M)      ~-~-~-~--> In case the dialling process already reach here.
	82	+Normally the problem is with a provider, need to check if the SIM card has balance or other requirement from the cellular operator
	83	+Fri Feb  7 01:20:30 2020 local2.info chat[29485]: expect (CONNECT)
84	84	Fri Feb  7 01:20:30 2020 local2.info chat[29485]: ^M
85	85	Fri Feb  7 01:20:30 2020 local2.info chat[29485]: ATD*99#^M^M
86	86	Fri Feb  7 01:20:30 2020 local2.info chat[29485]: CONNECT
...	...	@@ -95,9 +95,7 @@
95	95
96	96	root@dragino-1d25dc:~~# cat /etc/config/firewall
97	97
98		-(% class="box" %)
99		-(((
100		-config defaults
	98	+{{{config defaults
101	101	option syn_flood '1'
102	102	option input 'ACCEPT'
103	103	option output 'ACCEPT'
...	...	@@ -107,13 +107,13 @@
107	107	list network 'lan'
108	108	option input 'ACCEPT'
109	109	option output 'ACCEPT'
110		- option forward 'REJECT'
	108	+ option forward 'REJECT'
111	111	config zone
112	112	option name 'wan'
113	113	list network 'wan'
114	114	list network 'wwan'
115	115	list network 'wan6'
116		- list network 'cellular'   ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--> Add this line and reboot
	114	+ list network 'cellular' -----------------> Add this line and reboot
117	117	option input 'REJECT'
118	118	option output 'ACCEPT'
119	119	option forward 'ACCEPT'
...	...	@@ -122,7 +122,7 @@
122	122	config forwarding
123	123	option src 'lan'
124	124	option dest 'wan'
125		-)))
	123	+}}}
126	126
127	127	and run **/etc/init.d/firewall reload** or reboot the device.
128	128
...	...	@@ -132,22 +132,21 @@
132	132
133	133	Select "**Serial Port Setup**":
134	134
135		-(% class="box infomessage" %)
136		-(((
137		-root@dragino-1ef9ac:~~# minicom -s
138		-)))
	133	+{{{root@dragino-1ef9ac:~# minicom -s
	134	+}}}
139	139
140	140	[[image:https://wiki.dragino.com/images/thumb/0/05/4G-1.png/400px-4G-1.png||height="265" width="400"]]
141	141
142	142	Enter the minicom command
143	143
	140	+
144	144	Access the serial port of the 4G module
145	145
146	146	Serial port setup is as follows:
147	147
148		-**Serial Device :** (% style="color:#037691" %)/dev/ttyModemAT
	145	+**Serial Device :** /dev/ttyModemAT
149	149
150		-**Bps/Par/Bits :**(% style="color:#037691" %) 9600 8N1 or 115200 8N1
	147	+**Bps/Par/Bits :** 9600 8N1 or 115200 8N1
151	151
152	152	[[image:https://wiki.dragino.com/images/thumb/c/cb/EC25_1.png/400px-EC25_1.png||height="164" width="400"]]
153	153
...	...	@@ -156,7 +156,7 @@
156	156
157	157	Enter AT+GSN in the serial port to view the IMEI
158	158
159		-For example: (% style="color:#037691" %)860548042566627
	156	+For example: 860548042566627
160	160
161	161	{{{AT+GSN
162	162	}}}