Direct answer
Compare Wi-Fi with mobile data, test another device on the same network, restart the phone and router, then forget and reconnect to the network. Reset Wi-Fi, mobile and Bluetooth settings only after noting that it removes saved connections.
What this covers
- Supported Android phones and tablets on a home Wi-Fi network
- 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
- ×Carrier mobile-data outages or manufacturer-specific enterprise controls
- ×Billing, ownership, warranty or account-recovery disputes
- ×Regional features that the manufacturer does not list for your country
Compare Wi-Fi and mobile data
ReversibleTurn Wi-Fi off and test mobile data, then reverse the test. This distinguishes the phone from the Wi-Fi internet path.
Test another device
ReversibleLoad a public website from another device on the same Wi-Fi. Restart the router if it also fails.
Restart phone and router
ReversibleRestart the Android device, then restart the modem/router and wait for service before reconnecting.
Forget and reconnect
Reset / data riskOpen Network & internet settings, select the saved network, choose Forget, 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 android is connected to wi-fi but has no internet?+
Turn Wi-Fi off and test mobile data, then reverse the test. This distinguishes the phone from the Wi-Fi internet path.
Will these steps erase apps, files or settings?+
The early checks are reversible. Forget removes one saved network; the broader network reset removes Wi-Fi and Bluetooth connection data.
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: Carrier mobile-data outages or manufacturer-specific enterprise controls.
Answer for the exact device and software version shown above.