How to Fix Wi-Fi and Mobile Data Problems on Android Devices

How to Fix Wi-Fi and Mobile Data Problems on Android Devices.

Learn how to troubleshoot and fix common Wi-Fi and mobile data connection issues on your Android device. I show you practical solutions for when your internet stops working, whether you’re using Wi-Fi or cellular data.

How to Fix Wi-Fi and Mobile Data Problems on Android Devices video.

Basic Troubleshooting Steps

Try these quick fixes first:

1. Toggle Airplane Mode:

• Swipe down to open quick settings
• Tap Airplane mode to enable it
• Wait 10 seconds
• Tap again to disable it

1. Restart your device:

• Hold the power button
• Select “Restart”
• Wait for your phone to reboot

1. Check for service outages:

• Visit your carrier’s website
• Look for reported network issues

Fixing Wi-Fi Connection Problems

If you can’t connect to Wi-Fi:

1. Forget and reconnect to the network:

• Go to Settings > Wi-Fi
• Tap the network name
• Select “Forget”
• Try reconnecting

1. Restart your router:

• Unplug the power cable
• Wait 30 seconds
• Plug it back in

1. Check Wi-Fi password:

• Make sure you’re using the correct password
• Ask for the current password if it’s changed

If Wi-Fi is connected but no internet:

1. Check other devices:

• See if other devices have internet
• If they don’t, the problem is with your router

1. Reset network settings:

• Go to Settings > System > Reset
• Tap “Reset Wi-Fi, mobile & Bluetooth”
• Confirm the reset

Fixing Mobile Data Issues

If mobile data isn’t working:

1. Check mobile data is enabled:

• Swipe down to quick settings
• Verify mobile data is turned on

1. Verify APN settings:

• Go to Settings > Network & internet > Mobile network
• Tap “Access Point Names”
• Select the correct APN for your carrier

1. Check data limit:

• Go to Settings > Network & internet > Data usage
• Make sure you haven’t exceeded your limit

If you have slow mobile data:

1. Check network mode:

• Go to Settings > Network & internet > Mobile network
• Tap “Preferred network type”
• Try switching between 4G/5G

1. Test in different locations:

• Move to an area with better coverage
• Check if speed improves

Advanced Troubleshooting

If basic steps don’t work:

1. Check for Android updates:

• Go to Settings > System > System update

1. Try a different SIM card:

• Borrow a friend’s SIM to test
• If it works, your SIM may be faulty

1. Factory reset (last resort):

• Backup your data first
• Go to Settings > System > Reset > Factory reset

When to Contact Your Provider

Contact your carrier or ISP if:

• No devices can connect to your Wi-Fi
• Mobile data never works in any location
• You see “Invalid SIM” errors
• All troubleshooting steps fail

This guide works for most Android phones including Samsung, Google Pixel, and other brands. The exact menu names might vary slightly depending on your device model.