Here are a couple things you can try to fix this issue: Power off your device completely, then power it back on. Make sure you have a network connection (if you have No Service click here). Go to Settings > Data Usage and make sure mobile data is checked ☑ and there is no data limit blocking you.

How do I turn on mobile data on Galaxy S3?

Turn Data On / Off – Samsung Galaxy S® III

  1. From the home screen, select Apps (located in the lower-right).
  2. From the Apps tab, select Settings.
  3. From the Wireless and network section, select More settings.
  4. Select Mobile networks.
  5. Select the Mobile data. Enabled when a check mark is present.
  6. If presented, select OK.

How do I fix my data connection on my Samsung Galaxy?

Steps to Fix Mobile Data Not Working on Android

  1. Check If You’ve Reached Your Mobile Data Limit.
  2. Try Restarting Your Mobile Phone.
  3. Check If You’re on Airplane Mode.
  4. Check If You’re Using the Right Mobile Network.
  5. Re-Insert Your SIM Card.
  6. Reset Your APN.
  7. Change Your APN Protocol.
  8. Manually Enter Your APN.

How do I reset network settings on Galaxy S3?

Samsung Galaxy Tab S3 – Reset Network Settings

  1. From a Home screen, swipe up or down from the center of the display to access the apps screen.
  2. Navigate: Settings. > General management.
  3. Tap. Reset network settings. .
  4. Review the info then tap. Reset settings. .
  5. Tap. Reset. .

How do I get my mobile data to work on my Samsung?

Enable Mobile Data on a Samsung Phone

  1. 1 Head into your Settings > Connections.
  2. 2 Select Data usage.
  3. 3 Toggle on Mobile Data.

Why is mobile data not working?

“My mobile data is on but not working” could be caused by a minor system glitch or an error from your mobile operator that can be fixed by rebooting your phone. In that case, just reboot your phone to see if the trick works: You can restart most Android devices by long-pressing the power button for about 10 seconds.

Why does my data keep turning off?

Another possible reason for your mobile data to turn itself off might be the fact that your phone or the connection could have some bug or error on it that needs to be fixed. If that doesn’t help you out, you will need to restart the phone as well properly and then attempt connecting with the mobile data again.

How do I fix my mobile network?

How to fix “Mobile network not Available”error on android phones

  1. Restart Your Device.
  2. Remove SIM Card and Put it Back.
  3. Check Network Settings.
  4. Check whether phone is in Roaming Mode.
  5. Update the phone system to fix software bugs.
  6. Turn off mobile data and turn on it again.
  7. Turn off WiFi.
  8. Make sure Airplane mode is turned off.

How do I connect my Samsung Galaxy 3 to the Internet?

Set up Internet – Samsung Galaxy S3

  1. Select the Menu button.
  2. Select Settings.
  3. Select More settings.
  4. Select Mobile networks.
  5. Select Access Point Names.
  6. Select the Menu button.
  7. Select Reset to default. Your phone will reset to default Internet and MMS settings.
  8. Select the Menu button.

How to fix Samsung Galaxy S3 won’t turn on mobile data?

Step 1: Power the Galaxy S3 Off and On. If you were able to use mobile data before and this problem just happened for no apparent reason, then it could be just a temporary phone issue. If that was the case, restarting the phone would surely fix the problem. But I suggest you do the soft-reset instead of the normal reboot. Here’s how…

Why does my Samsung Galaxy phone keep losing data?

It is possible that the mobile data issue on your Samsung mobile could have happened due to a change in APN settings. The APN or Access Point Names are very important in order to access the internet. It is via the APNs the network provider connects your mobile to the internet.

Is mobile data not working on Samsung devices?

So, when it stops working, even on a device manufactured by Samsung, we become really worried. If the mobile data not working on Samsung, then it is very troublesome but it is not a permanent defect.

How to fix mobile data usage on Android?

1 Solution 1: Enable The Right Network Mode. 2 Solution 2: Remove and Reinsert Your SIM Card. 3 Solution 3: Reset APNs. 4 Solution 4: Cancel The Tick of Limit Mobile Data Usage. 5 Solution 5: Clear The Cache Partition.