How to Fix Samsung Galaxy Mobile Data Not Working

If your Samsung Galaxy mobile data is not working, you may be unable to access the internet when you need it most. This guide provides several troubleshooting methods to help you diagnose and resolve the connectivity issue.

1. Verify Mobile Data Settings

Ensure that your mobile data is enabled and configured properly in the device settings.

Open Settings: Tap the Settings app on your home screen.
Access Connections: Select Connections and then tap on Data usage.
Enable Mobile Data: Make sure the Mobile data toggle is turned on.
Check Airplane Mode: Confirm that Airplane mode is disabled.

2. Restart Your Device

Restarting your device can clear temporary glitches that may be affecting your mobile data connectivity.

Power Off: Press and hold the power button and select Power off.
Wait: Allow your device to remain off for at least 30 seconds.
Power On: Press and hold the power button again to restart your device.
Test Connectivity: Once restarted, check if mobile data is functioning correctly.

3. Remove and Reinsert the SIM Card

A misaligned or dirty SIM card can disrupt your mobile data connection.

Turn Off the Phone: Power off your Samsung Galaxy before removing the SIM card.
Eject the SIM Card: Use the SIM ejector tool or a paperclip to remove the SIM tray.
Inspect and Clean: Carefully remove the SIM card, inspect it for damage, and gently clean it with a soft cloth.
Reinsert the SIM: Place the SIM card back into its slot securely and power on your device.

4. Check and Update APN Settings

Incorrect APN settings can prevent your device from connecting to your carrier’s mobile network.

Open APN Settings: Navigate to Settings > Connections > Mobile Networks > Access Point Names.
Select Your Carrier: Tap on your carrier’s APN profile.
Verify Details: Compare the APN settings with the information provided by your carrier.
Edit if Needed: Modify any incorrect details and save your changes, then test your mobile data connection.

5. Reset Network Settings

Resetting network settings can resolve configuration issues affecting your mobile data without affecting personal data.

Access General Management: Open Settings > General management.
Select Reset: Tap on Reset and choose Reset network settings.
Confirm the Action: Read the prompt and tap Reset settings to confirm.
Reboot and Test: Once the reset completes, reboot your device and check mobile data functionality.

6. Update Your Device Software

Keeping your device software up to date can fix bugs and improve overall network connectivity.

Open Settings: Navigate to Settings > Software update.
Check for Updates: Tap Download and install to see if a new update is available.
Install Updates: Follow the on-screen instructions to install any available updates.
Restart and Verify: After updating, restart your device and test the mobile data connection.

7. Manually Select Your Network Operator

Manually selecting your network operator can help if your device is not automatically connecting to the correct network.

Access Mobile Networks: Go to Settings > Connections > Mobile Networks.
Select Network Operators: Tap on Network operators and wait for the list to load.
Choose Manually: Select Manual selection and choose your carrier from the list.
Confirm Connection: Allow your device to register on the selected network and test mobile data.

8. Boot into Safe Mode

Booting into safe mode helps determine if a third-party app is interfering with your mobile data connection.

Power Off: Press and hold the power button until the power menu appears, then tap Power off.
Enter Safe Mode: Once off, press and hold the power button until the Samsung logo appears, then release and immediately press and hold the Volume Down button until the device boots.
Confirm Safe Mode: Look for “Safe mode” in the bottom corner of the screen.
Test Mobile Data: With only system apps active, test your mobile data connection to see if the issue persists.
Exit Safe Mode: Restart your device normally to exit safe mode.

9. Contact Your Carrier or Samsung Support

If none of the troubleshooting methods work, contacting your carrier or Samsung Support may help resolve network or hardware issues.

Gather Information: Note your device model, SIM card details, and a description of the problem.
Contact Your Carrier: Reach out to your carrier to verify there are no network outages or account issues affecting your service.
Seek Samsung Assistance: If your carrier confirms no issues, contact Samsung Support via their website or customer service hotline.
Follow Guidance: Follow any further instructions provided to resolve the mobile data connectivity issue.