Direct answer
Test another device on the same Wi-Fi, turn Wi-Fi off and on, restart iPhone and the router, then forget and rejoin only that network. Reset Network Settings last because it removes saved Wi-Fi and related network settings.
What this covers
- iPhones joined to home Wi-Fi with no usable internet
- Current supported consumer software as reviewed on August 20, 2026
- The symptom described in the title before a factory reset or hardware repair
What it does not cover
- ×Cellular-data outages or captive networks requiring a sign-in page
- ×Billing, ownership, warranty or account-recovery disputes
- ×Regional features that the manufacturer does not list for your country
Test the same Wi-Fi elsewhere
ReversibleUse another device to load a public website. If it also fails, restart the router or contact the internet provider.
Toggle Wi-Fi and restart iPhone
ReversibleTurn Wi-Fi off and on in Settings, then restart iPhone if the connection still has no internet.
Restart the router
ReversibleUse the router’s normal restart procedure and wait for internet service to return before reconnecting iPhone.
Forget and rejoin the network
Reset / data riskIn Settings › Wi-Fi, tap the network’s Info button, choose Forget This Network, then reconnect with the password.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Exact questions
Common follow-ups
What should I try first for iphone is connected to wi-fi but has no internet?+
Use another device to load a public website. If it also fails, restart the router or contact the internet provider.
Will these steps erase apps, files or settings?+
The early checks are reversible. Forget This Network removes its password. Reset Network Settings removes saved network configuration more broadly.
When should I stop troubleshooting?+
Stop if the device reports hardware damage, becomes unusually hot, smells burnt, or the problem falls into this excluded case: Cellular-data outages or captive networks requiring a sign-in page.
Answer for the exact device and software version shown above.