View source for Ubuntu - 4G 模塊(EC-20) 設定( 4G module (EC-20) 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]]





'''<span style="font-size:larger;">How to&nbsp; add&nbsp;the configure in the image&nbsp;</span>'''

<span style="font-size:larger;">'''Step 1&nbsp;: '''If the configuration has no error , then you could see a config file named "China Telecom connection" at&nbsp;/etc/NetworkManager/system-connections/.</span>

<span style="font-size:larger;">ls /etc/NetworkManager/system-connections/</span>

<span style="font-size:larger;">You could&nbsp;get&nbsp;the following information:</span>

[[File:RSB-3710 EC20 13 China Telecom connection.png|RTENOTITLE]]

'''<span style="font-size:larger;">Step 2:&nbsp;</span>'''<span style="font-size:larger;">Get the " rootfs.img " from your image folder&nbsp;</span>

<span style="font-size:larger;">[[File:RSB-3710 rootfs img EC20.png|RTENOTITLE]]</span>

'''<span style="font-size:larger;">Step 3:</span>'''<span style="font-size:larger;">Create&nbsp; a "temp" folder , then mount the "rootfs.img " into "temp" folder&nbsp;</span>

[[File:RSB-3710 EC20 temp mount.png|RTENOTITLE]]

'''<span style="font-size:larger;">Step 4:</span>'''<span style="font-size:larger;">Use "Chroot " (change root directory (change to root folder )&nbsp;command&nbsp;</span>

[[File:RSB-3710 EC20 Chroot temp.png|RTENOTITLE]]

<span style="font-size:larger;">'''Step 5&nbsp;:&nbsp;'''Copy the configure file into temp folder&nbsp;</span>

<span style="font-size:larger;">[[File:RSB-3710 EC20 cp fileinto temp.jpg|RTENOTITLE]]</span>

'''<span style="font-size:larger;">Step 6:</span>'''<span style="font-size:larger;">change mode&nbsp; the configure file in temp/etc/NetworkManager/system-connections/&nbsp;</span>

<span style="font-size:larger;">[[File:RSB-3710 EC20 china telcom.jpg|RTENOTITLE]]</span>

'''<span style="font-size:larger;">Step 7:</span>'''<span style="font-size:larger;">"Exit" the root system&nbsp;</span>

'''<span style="font-size:larger;">[[File:RSB-3710 EC20 exit root.jpg|RTENOTITLE]]</span>'''

'''<span style="font-size:larger;">Step 8:</span>'''<span style="font-size:larger;">umount the "temp"&nbsp;</span>

[[File:RSB-3710 umount temp.jpg|RTENOTITLE]]

'''<span style="font-size:larger;">Step 9&nbsp;:</span>'''<span style="font-size:larger;">Please copy the "roofs.img" from Ubuntu system to Orignal Image folder&nbsp;</span>

[[File:RSB-3710 EC20 flash image 2021-12-02 151702.jpg|RTENOTITLE]]

<span style="font-size:larger;">'''Step 10&nbsp;: '''Reflash the image into RSB-3710&nbsp;</span>

[[File:RSB-3710 flash rbrom EC20 2021-12-02 151938.jpg|RTENOTITLE]]

[[File:RSB-3710 flash finish 2021-12-02 152408.jpg|RTENOTITLE]]

<span style="font-size:larger;">'''Step 11:&nbsp; '''Reboot the system & test the connection.</span>

[[File:RSB-3710 EC-20 mobile vender 2021-12-02 155445.jpg]]

[[File:RSB-3710 click mobile vender 2021-12-02 155649.jpg]]

[[File:RSB-3710 connect ready 2021-12-02 155838.jpg]]

[[File:RSB-3710 connect info EC-20 2021-12-02 155730.jpg]]

[[File:RSB-3701 ping testing 2021-12-02 160217.jpg]]



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