How to troubleshoot Mobile data issues

Last Update date : Jun 27. 2023

Before trying the below troubleshooting steps, please ensure:

  • SIM card is active
  • Mobile data is turned on
  • Data plan is active on your SIM card
  • Mobile data quota for daily/ monthly is not exceeded
  • Wi-Fi is turned off
  • Good signal strength
  • Data Roaming is enabled if you are in roaming
  • Ensure your phone software is up to date

Sometimes, simply moving to a different location can help you get better network coverage.

If Mobile data is enabled but you are still encountering issues, try force restarting your device.

Press Volume down and Side key to turn off device Press Volume down and Side key to turn off device

Step 1. Turn off your device by holding down both the Volume down key and Side key simultaneously, then selecting Power off.

Press and hold Volume down and Side key Press and hold Volume down and Side key

Step 2. After the screen turns off, press and hold the Volume down key and Side key simultaneously.

Release key once Samsung logo appears Release key once Samsung logo appears

Step 3. Once the Samsung logo appears on screen, release the keys.

Note: 

  • Your data and files will be preserved even if you force restart your device.
  • Volume and Side key locations may vary depending on the device model.

Path: Settings > Connections> SIM card manager> Mobile data > Choose SIM 1/ SIM 2

Set a higher limit. Sometimes, when you use up a lot of your mobile data, the daily limit gets exhausted and it results in the mobile data not working.

Path: Settings > Connections> Data usage> Mobile data usage> Settings> Data limit

Note: ‘Set data limit’ option should be on.

Path: Settings > Connections> Mobile networks> Network mode SIM 1/ SIM 2 > Choose 5G/LTE/3G/2G (auto connect)

Path: Settings > Connections> Mobile networks >Access point names > More icon > Reset to default

Path: Inspect the SIM card for corrosion and clean it.

General management settings General management settings

Step 1. Go to Settings and select General management.

Select Reset Select Reset

Step 2. Select Reset.

Select Reset network settings Select Reset network settings

Step 3. Select Reset network settings.

Tap Reset settings Tap Reset settings

Step 4. Check the on-screen information and tap Reset settings.

Tap Reset Tap Reset

Step 5. Tap Reset.

Note: 

  • Please note that resetting your networks will reset your Wi-Fi, Bluetooth, and other network settings.

If you tried the methods listed above but you are still unable to use mobile data with your device, you may be experiencing a cell coverage issue. If you recently changed carriers but kept the same phone, you may need to contact your current carrier to reset your device. Please contact your service provider for further assistance. 

Note: 

  • After each step, try using mobile data with your device.
  • If you followed the steps listed above but the issue persists, please check the Support Center for relevant information.
  • Device screenshots and menus may vary depending on the device model and software version.

How to use the Samsung Members app

If you are experiencing difficulties with your Samsung mobile, tablet, or wearables, you can send us a question in the Samsung Members app. Find out more about sending an error report.

Learn more

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