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Update wiki/How-to-use-the-4G-extension

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2026-04-20 15:25:46 +08:00
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wiki/How-to-use-the-4G-extension.md
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@@ -22,9 +22,9 @@ you don't need any following steps
just make sure the SIM card inserted correctlly,and use **sudo ifconfig** to see if there is a **usb0**
if there is a usb0,then all is set
if there is a `usb0`,then all is set
normally you will have ipv4 and ipv6 address,now you can use 4G card to view internet
normally you will have ipv4 and ipv6 address,now you can use 4G card to view internet
#### 9001 part
@@ -56,9 +56,9 @@ echo -en "AT+CUSBPIDSWITCH?\r\n" | sudo socat - /dev/ttyUSB2,crnl
we expecting to see **9001**
if you are other module number ,eg :9011
if you are other module number ,eg :`9011`
you don't need any following steps
**you don't need any following steps**
just make sure the SIM card inserted correctlly,and use **sudo ifconfig** to see if there is a **usb0**
@@ -107,6 +107,99 @@ sudo nmcli c up 4gnet
then if everything goes right, you will see **ppp0** in `sudo ifconfig` , which means you got an PPPoE connection and an IP address
If some errors occured like:
```
Error: Connection activation failed: No suitable device found for this connection (device eth0 not available because profile is not compatible with device (mismatching interface name)).
```
```
Error: Connection activation failed: No suitable device found for this connection (device ttyUSB2 not available because device is not available).
```
try to use `mmcli -m any` to see whether the SIM card is properly installed, still within its valid service period, and has data service enabled.
here is a false state example output :
```
-----------------------------
General | path: /org/freedesktop/ModemManager1/Modem/0
| device id: a593c5055fabfa914496a4977012f1a829cf320f
-----------------------------
Hardware | manufacturer: SIMCOM INCORPORATED
| model: SIMCOM_SIM7600G-H
| firmware revision: LE20B04SIM7600G22
| supported: gsm-umts
| current: gsm-umts
| equipment id: xxxxxxxxxxxxxxxxx
-----------------------------
System | device: /sys/devices/platform/soc/fe980000.usb/usb1/1-1/1-1.3
| physdev: /sys/devices/platform/soc/fe980000.usb/usb1/1-1/1-1.3
| drivers: option
| plugin: simtech
| primary port: ttyUSB2
| ports: ttyUSB0 (ignored), ttyUSB1 (gps), ttyUSB2 (at),
| ttyUSB3 (at), ttyUSB4 (audio)
-----------------------------
Status | state: failed
| failed reason: sim-missing
| power state: on
-----------------------------
Modes | supported: allowed: any; preferred: none
| current: allowed: any; preferred: none
-----------------------------
3GPP | imei: xxxxxxxxxxxxxxx
```
here is a connected state example output:
```
----------------------------------
General | path: /org/freedesktop/ModemManager1/Modem/0
| device id: a593c5055fabfa914496a4977012f1a829cf320f
----------------------------------
Hardware | manufacturer: SIMCOM INCORPORATED
| model: SIMCOM_SIM7600G-H
| firmware revision: LE20B04SIM7600G22
| supported: gsm-umts, lte
| current: gsm-umts, lte
| equipment id: xxxxxxxxxxxxxxxxx
----------------------------------
System | device: /sys/devices/platform/soc/fe980000.usb/usb1/1-1/1-1.3
| physdev: /sys/devices/platform/soc/fe980000.usb/usb1/1-1/1-1.3
| drivers: option
| plugin: simtech
| primary port: ttyUSB2
| ports: ttyUSB0 (ignored), ttyUSB1 (gps), ttyUSB2 (at),
| ttyUSB3 (at), ttyUSB4 (audio)
----------------------------------
Status | unlock retries: sim-pin (3), sim-puk (10), sim-pin2 (3), sim-puk2 (10)
| state: connected
| power state: on
| access tech: lte
| signal quality: 74% (recent)
----------------------------------
Modes | supported: allowed: 2g; preferred: none
| allowed: 3g; preferred: none
| allowed: 2g, 3g; preferred: none
| allowed: 2g, 3g; preferred: 2g
| allowed: 2g, 3g; preferred: 3g
| current: allowed: any; preferred: none
----------------------------------
IP | supported: ipv4, ipv6, ipv4v6
----------------------------------
3GPP | imei: xxxxxxxxxxxxxxx
| operator id: 46000
| operator name: SOME ISP NAME
| registration: home
| packet service state: attached
----------------------------------
3GPP EPS | ue mode of operation: csps-1
| initial bearer path: /org/freedesktop/ModemManager1/Bearer/0
| initial bearer ip type: ipv4
----------------------------------
SIM | primary sim path: /org/freedesktop/ModemManager1/SIM/0
----------------------------------
Bearer | paths: /org/freedesktop/ModemManager1/Bearer/1
```
The connectivity of 4G may vary in different countries around the world, so please make appropriate adjustments based on the situation of your ISP operator, which may require some Linux-related skills.