If you're having internet connectivity issues with your Samsung Galaxy S21, here are some troubleshooting steps you can try:
1. **Restart Your Device**:
Hold down the Power button.
Tap "Restart."
2. **Check Airplane Mode**:
Ensure Airplane mode is off. You can find this in the Quick Settings menu.
3. **Toggle Mobile Data**:
Turn off and then turn on Mobile Data. Go to Settings Connections Data usage and toggle Mobile Data.
4. **Check Network Settings**:
Ensure that you have a valid data plan and that the APN settings are correct. Go to Settings Connections Mobile networks Access Point Names and compare them with your carrier’s settings.
5. **Reset Network Settings**:
Go to Settings General management Reset Reset network settings. This will reset Wi-Fi, mobile data, and Bluetooth settings.
6. **Wi-Fi Issues**:
Ensure Wi-Fi is turned on and you are within range of the network.
Forget the network and reconnect by going to Settings Connections Wi-Fi, selecting your network, and tapping "Forget."
Restart your router.
7. **Update Software**:
Ensure your phone’s software is up to date. Go to Settings Software update Download and install.
8. **Safe Mode**:
Boot into Safe Mode to see if a third-party app is causing the issue. Hold the Power button, then tap and hold "Power off" until you see the Safe Mode prompt, then tap "Safe Mode."
9. **Factory Reset**:
As a last resort, you can perform a factory reset. Go to Settings