View source for Ubuntu - 4G 模塊(EC-25J) 設定 ( 4G module (EC-25J) in Ubuntu system)

== How to Config 4G-module ==

'''STEP 0&nbsp;:'''&nbsp;Power off the device, then insert 4G module and SIM card.

'''NOTE&nbsp;:&nbsp;'''Make sure the device is power off before insert 4G module and SIM card,&nbsp;

otherwise the device、4G module and/or SIM card may be damaged.

'''STEP 1&nbsp;:''' Power on the device, Click network connection icon ,

[[File:RK3288 Debian 4G network icon 01.png|RTENOTITLE]]

then choose "New Mobile Broadband connection".

[[File:RK3288 Debian 4G Newconfig.jpg|RTENOTITLE]]



then you will see the following window, click "Next" button to the next step.

[[File:RK3288 Debian 4G setup.png|RTENOTITLE]]



'''STEP 2&nbsp;:''' Choose Provider's country or region of the SIM card you insert in STEP 0.

[[File:RK3288 Debian 4G Provider Country.png|RTENOTITLE]]

'''STEP 3&nbsp;:''' Choose or Set the Provider's name.

[[File:RK3288 Debian 4G Provider name.png|RTENOTITLE]]

'''STEP 4&nbsp;: '''Choose or Set APN.

[[File:RK3288 Debian 4G APN.png|RTENOTITLE]]

'''STEP 5&nbsp;: '''Confirm your config and finish.

[[File:RK3288 Debian 4G confirm.png|RTENOTITLE]]



If the configuration has no error , then you could see a config file named "China Telecom connection" at&nbsp;/etc/NetworkManager/system-connections/.

ls /etc/NetworkManager/system-connections/

You could&nbsp;get&nbsp;the following information:

-rw------- 1 root root &nbsp;288 Mar 21 10:44 China Telecom connection



'''Note&nbsp;:&nbsp;'''

If&nbsp;customers use the same SIM card, you can generate the config file in one device.&nbsp;Then pack it into rootfs.img.