If you’re having Wi-Fi connection problems or find a Wi-Fi icon with an exclamation point 
How to check your settings & restart
- Make sure Wi-Fi is on. Then turn it off and on again to reconnect. Learn how to connect to Wi-Fi networks.
- Make sure Airplane mode is off. Then turn it on and off again to reconnect. Learn how to enable and disable Airplane mode.
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Press your phone's power button for a few seconds. Then, on your screen, tap Restart
.If you don't see "Restart," press and hold the power button for about 30 seconds, until your phone restarts.
How to identify the connection issue
- Phone: Try connecting to the Wi-Fi network with another device, like a laptop computer or friend's phone. If other devices can use the network, the problem is most likely with your phone.
- Network: Check whether your phone can connect to another Wi-Fi network, like at a friend's house or a public network. If your phone can connect elsewhere, the problem is most likely with the network.
- Internet: If your phone connects to the Wi-Fi network but you still have no internet, the problem is most likely with your internet connection.
How to troubleshoot your connection issue
How to fix phone issues
How to delete & re-add network- Open your phone’s Settings app.
- Tap Network & internet
Internet.
- If needed, turn on Wi-Fi.
- At the bottom, tap Saved networks.
- In the list, tap the saved network that you want to delete.
- Tap Forget.
Internet.- Open your phone’s Settings app.
- Tap Network & internet
- At the end of the list, tap Add network.
- If needed, enter the network name (SSID) and other security details.
- Tap Save. If needed, enter a password.
The problem can be from an app that you downloaded. To find out, restart your phone in safe mode.
- Turn on safe mode. Learn how to turn on safe mode.
- Try connecting to the Wi-Fi network again.
- Open your phone’s Settings app.
- Tap Network & internet
- Check if the Wi-Fi connection works in safe mode.
- If the Wi-Fi connection works in safe mode, a downloaded app is most likely causing the issue.
- To exit safe mode, restart your phone.
- Uninstall recently downloaded apps one by one. Check whether the connection works.
- After you remove the app that's causing the problem, reinstall the other apps.
- If the Wi-Fi connection doesn't work in safe mode, there's likely a problem with the Wi-Fi network or internet connection.
- If the Wi-Fi connection works in safe mode, a downloaded app is most likely causing the issue.
An incorrect date and time on your phone can cause Wi-Fi connection problems. Make sure to set your phone to automatically follow the date and time of your network. To turn on automatic date settings:
- Open your phone’s Settings app.
- Tap System
- Turn on Set time automatically.
How to fix internet & network issues
How to restart the router & modemIf the Wi-Fi router and modem are yours, try turning them off and then on again.
- Unplug the router and modem's power cords from the power outlet for 15 seconds.
- Plug the power cords back in.
- Check that all cords and cables are secure at both ends.
- Wait a few minutes, until the lights on the modem and router are working right (Check the device manual or manufacturer's support site).
If the lights aren't working right, you could have an issue with the modem, router, or internet connection.
Contact the network administrator or your Internet Service Provider. For example, there could be a service outage, or they could need to reset your connection.
Important: Public networks, like at cafes or airports, often have a webpage for you to complete. If you sign in or accept the terms, the public connection should work.
If you don't find an authorization page after you connect to a public network:
- Check for a notification that asks you to sign in.
- Open a new page in a new window.
If those steps don't work, try restarting your connection to the network:
- Open your phone’s Settings app.
- Tap Network & internet
- Touch and hold the network name. Tap Forget.
- Turn Wi-Fi off and then on again.
- On the list, tap the network name.
- You'll get a notification to sign in. Tap the notification.
- To connect to the network, agree to the terms.
- Open your phone’s Settings app.
- Tap System
- At the bottom, tap Reset settings.
How to fix Wi-Fi hotspot issues
How to check that hotspot is on- Open your phone’s Settings app.
- Tap Network & internet
- Tap Wi-Fi hotspot.
- Turn on Use Wi-Fi hotspot.
- If it was already on, turn it off and then on again.
- If your phone hasn't had a hotspot before, first tap Set up Wi-Fi hotspot.
Tip: For more info, learn more about hotspots and tethering.
If you have issues, check with your carrier. Ask whether your phone can connect to mobile hotspots and whether they're in your data plan.
When no devices are connected to the hotspot for 10 minutes, the hotspot will automatically turn off.
On devices that don’t support hotspot and Wi-Fi at the same time, Wi-Fi will also turn back on automatically and attempt to connect to the last known network.
What to do when you reconnect
When you reconnect, check for the latest system update. Updates can bring improvements that help fix issues. Learn how to check and update your Android version.