Samsung Galaxy S4 not available via mobile data access (gt-i9508)

If your mobile phone is not able to access the mobile data, we recommend that you follow these steps:

first, the use of mobile phone data access function, your calling card needs to open GPRS Internet business. You can contact the local network provider of the calling card to open the GPRS Internet service.

second, confirm your mobile phone "mobile data" is open, drop screen top curtain.



Slide the taskbar at the top of the screen to the left, and the "move data" point to green.



third, reset to default values.

1. Under the Standby interface, click on the "Application" icon.



2. Click the "Set" icon.



3. Click "Connect" and select "More Networks".



4. Click on "Mobile network".



5. Click on "Access Point name".



6. Click the "Menu" button at the bottom left and choose "Reset to Default".



7. After the above settings are completed, the mobile phone can be restarted to access the Internet.

If you do not have access to the Internet after resetting the Internet parameters, you can try the following ways to create a new APN:

1. Under the standby page, go to "Application"-"Settings"-"Connect"-"More Network"-"mobile network"-"Access Point Name"-Press the "menu" button at the bottom left-"new APN".

2. Enter the following information:

Name: fill in at random;
Apn:cmwap (Mobile card)/uniwap (Unicom card)/3gwap (3G card);
agent: 10.0.0.172;
Port:;
no additional settings are required.

3. Press the "menu" button at the bottom left and click "Save".

Note: If none of the above actions can solve the problem of not surfing the Internet, please change another calling card to try, or you can change the time period or the network environment again.
Tip:
The existing screenshot version for Android 4.2.2, in view of the late system upgrades, menu options may be slightly adjusted, the specific operation of your mobile phone menu is actually displayed.