cannot access the Internet, have no data connection, or cannot send or receive multimedia messages.
To view the current APN
1From your Home screen, tap 
.
2Find and tap Settings > More… > Mobile networks.
3Tap Access Point Names.
If you have several available connections, the active network connection is indicated by a marked button.
To add Internet settings manually
1From the Home screen, tap 
.
2Find and tap Settings > More… > Mobile networks > Access Point Names.
3Tap 
.
4Tap New APN.
5Tap Name and enter the name of the network profile that you want to create.
6Tap APN and enter the access point name.
7Enter all other information required by your network operator.
8Tap 
, then tap Save.
Controlling data usage
Keep track of and control the amount of data transferred to and from your device during a given period. For example, you can set data usage warnings and limits for your device to avoid additional charges. You can also limit the amount of data used by individual applications.
Adjusting data usage settings can help you keep greater control over data usage but cannot guarantee the prevention of additional charges.
To access data usage settings
1From your Home screen, tap 
.
2Find and tap Settings > Data usage.
To turn data traffic on or off
1From your Home screen, tap 
.
2Find and tap Settings > Data usage.
3To turn data traffic on or off, tap the
You can also turn data traffic on or off by marking or unmarking the Mobile data traffic checkbox under Settings > More… > Mobile networks.
To set a data usage warning
1Make sure that you have turned on data traffic.
2From your Home screen, tap 
.
3Find and tap Settings > Data usage.
4To set the warning level, drag the lines to the desired values. You receive a warning notification when the amount of data traffic approaches the level you set.
To set a data usage limit
1Make sure that you have turned on data traffic.
2From your Home screen, tap 
.
3Find and tap Settings > Data usage.
4Mark the Set mobile data limit checkbox if it is not marked, then tap OK.
5To set the data usage limit, drag the lines to the desired values.
Once your data usage reaches the set limit, data traffic on your device will be turned off automatically.
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