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Created How to use the 4G extension (markdown)

GNU 2023-06-30 12:53:54 +08:00
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How-to-use-the-4G-extension.md Normal file

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4G extension in uConsole is power down by default
## first We need to power on the 4G extension
### cm4
run `enable_4g_cm4.sh` or `uconsole-4g-cm enable`, depends on the version of your os image, both can do the same job
wait for couple seconds ,then use `mmcli -L` to see if there is a modem like
```
/org/freedesktop/ModemManager1/Modem/0 [QUALCOMM INCORPORATED] SIMCOM_SIM7600G-H
```
and if unpack your back shell , you will see a green LED light is flashing on 4G ext
### A06 and D1
run `enable_4g.sh` or `uconsole-4g enable` depends on the version of your os image, both can do the same job
wait for couple seconds ,then use `mmcli -L` to see if there is a modem like
```
/org/freedesktop/ModemManager1/Modem/0 [QUALCOMM INCORPORATED] SIMCOM_SIM7600G-H
```
and if unpack your back shell , you will see a green LED light is flashing on 4G ext
## Connect to 4G network
for this purpose,we need `nmcli` to create a connection first
### find out the primary port
```
mmcli -m any | grep "primary port"
```
you will get like `cdc-wdm0` or `ttyUSB2` , if you got `cdc-wdm0` , we suggest blacklisting some kernel modules by
```
$ cat /etc/modprobe.d/blacklist-qmi.conf
blacklist qmi_wwan
blacklist cdc_wdm
```
`ttyUSB2` is what we want,but **cdc-wdm0** is still worth to try if you know it well
### Create 4g net connection and bring it up
```
sudo nmcli c add type gsm ifname ttyUSB2 con-name 4gnet apn [yourapn] gsm.username [gsmusername] gsm.password [gsmpassword]
```
```
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 have an IP address
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.