1. Ensure that you are in an area with a strong Wi-Fi or cell signal.
2. Check the Wi-Fi passwords, log into the Wi-Fi network, and make sure you are connected to the internet.
3. Reset your phone’s network settings.
4. Check the mobile data setting to ensure it is turned on.
5. Update your phone if needed.
6. Perform a factory reset.
7. Contact your service provider.