How to Fix Wi-Fi Connected but No Internet on iPhone 18 Pro Max

An iPhone 18 Pro Max showing Wi-Fi connected but no internet usually indicates a router, DNS, VPN, captive portal, or network-configuration problem. Restart the network, forget and rejoin the Wi-Fi network, disable conflicting connection services, and reset network settings if the issue continues.

Steps

Check whether the Wi-Fi network works on another device. If every device lacks internet access, restart the modem and router, then wait several minutes for reconnection.
Restart the iPhone 18 Pro Max and reconnect Wi-Fi. Open Settings > Wi-Fi, turn Wi-Fi off, enable Airplane Mode for 10 seconds, disable Airplane Mode, and turn Wi-Fi on again.
Forget the affected Wi-Fi network. Open Settings > Wi-Fi, tap the information icon beside the network, select Forget This Network, then reconnect with the correct password.
Refresh the network lease and connection settings. Open the network details page and tap Renew Lease. Confirm Configure IP and Configure DNS remain set to Automatic.
Reset network settings as a final iPhone fix. Open Settings > General > Transfer or Reset iPhone > Reset > Reset Network Settings. The reset removes saved Wi-Fi passwords, VPN settings, and cellular network preferences.

Common Issues and Fixes

Wi-Fi connects, but every website fails: Router outage or ISP interruption is likely. Test another device and restart the modem and router.
Only one Wi-Fi network fails: Incorrect saved credentials or corrupted network data may be responsible. Forget the network and reconnect.
New iPhone connected to Wi-Fi but not working: A VPN, security app, or transferred configuration may interfere. Temporarily disable VPN services and remove recently installed network-filtering apps.
Websites show a sign-in page: A hotel, school, airport, or café network may require a captive-portal login. Open Safari and visit a non-secure webpage to trigger the sign-in screen.
Wi-Fi works briefly, then stops: Router compatibility, overheating, or weak signal may cause repeated drops. Move closer to the router, update router firmware, or test a different network.

Quick Tips

Check Settings > Wi-Fi > network details for Limit IP Address Tracking. Temporarily disabling the option can help diagnose router compatibility problems.
Disable iCloud Private Relay temporarily when only some websites fail, especially on restricted or managed networks.
Confirm the iPhone has the latest iOS update available under Settings > General > Software Update.

💡Protip:

A network reset does not delete photos, messages, or apps, but saved Wi-Fi passwords must be entered again.

Why does Wi-Fi work on other devices but not on the iPhone 18 Pro Max?

The iPhone may have corrupted saved network data, a VPN conflict, or an incompatible privacy setting. Forgetting the network and resetting connection settings usually resolves the problem.