Recently, my mobile phone often prompts, please check whether the network can reach the external network. What does this mean? I

1. Check whether the SIM card has enabled GPRS Internet service or has been temporarily closed.

To use the mobile data Internet function, the phone card needs to be activated for the data Internet service. You can contact the local network provider of the phone card to activate the data traffic Internet service.

2. Check whether the "Mobile Data" switch is turned on.

Use your finger to slide the top curtain of the screen down, slide the shortcut bar to the left, and click "Mobile Data" to green.

3. Reset Internet parameters.

In standby mode, select the standby screen-Applications-More settings-Mobile network-click the access point name-Menu-Reset to default settings-After the settings are completed, restart the phone to access the Internet. .

4. Please try changing other phone cards

5. You can also try again in another time period or network environment.

6. Back up mobile phone data (phone book, text messages, pictures, etc.) and restore the phone to factory settings

If the fault persists, it is recommended to send the phone to the nearest Samsung service center for testing repair.