IPhone 17 pro not connecting to the internet after upgrade to IOS 26.6

Is this your wi-fi network? Have you checked your settings? Do you see an error on the screen? Try a Force Restart of the device. Force restart iPhone - Apple Support

I tried it is still not working

"IPhone 17 pro not connecting to the internet after upgrade to IOS 26.6: My IPhone 17 pro just upgraded automaticaly to IOS 26.6. After that upgrade my phone will not connect to the internet via WiFi. How do I fix this?"

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Troubleshooting iPhone WiFi:

A few thoughts to try:

A. Start Here: If your iPhone, iPad, or iPod Touch won't Connect to a Wi-Fi Network - Apple Support

B. Toggle OFF Cellular:

Sometimes, Turing off Cellular does the trick. So, toggle off Cellular in Settings.

C. Clear the Temporary Internet Files:

• Cookies perform remembrance of certain site-entered data.
• Cache keeps a snapshot of the last time you visited a site.
• Go Here: Clear the History and Cookies from Safari on your iPhone, iPad, or iPod Touch - Apple Support

D. Restart your Router:

1. Power: off the router
2. Wait: 30 seconds
3. Power: It back on

E. Reconnect to your Network:

1. Go to: Settings
2. Tap: Wi-Fi
3. Disable: Wi-Fi
4. Wait: 30 seconds
5. Enable: Wi-Fi

F Add Back the Network:

1. Go to: Settings
2. Tap: Wi-Fi
3. Remove: the network
4. Wait: 30 seconds
5. Add: the network back