my phone does not connect to wifi

"my phone does not connect to wifi: all other devices get connected to wifi but not my iphone"

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Troubleshooting iPhone WiFi:

A. Clear Temporary Internet Files:

If connecting is unsuccessful, try clearing out your Temporary Internet Files: History, Cache, and Cookies

Go Here: Clear your Safari Browser History and Set Up Content Blockers on your iPhone, iPad, or iPod touch - Apple Support

B. Try manually restarting your iPhone:

1. Go To: Settings
2. Select: General
3. Scroll to: the Very Bottom
4. Select: Shut Down
5. Slide Finger: to the Right
6. Wait: 30 Seconds
7. Power One: the iPhone
8. Try this Once More

C. Troubleshooting Connectivity:

Wi-Fi: If your iPhone won’t Connect to a Wi-Fi Network - Apple Support

D. Disconnect form a VPN:

If connected to a VPN, then disable it.

E. Try Restarting your Modem/Router:

Perhaps connections need to be reestablished? If Utility Work is performed down the street, often enough, the Internet usage may be down for a few, and then you would have no choice by to restart your modem/router once it is up and running.

So...

1. Power Off: the modem/router
2. Wait: 30 Seconds
3. Power: it back up

F. Try Disabling Cellular:

LTE is Cellular and with that being the case, Cellular is always the connection by default. So, try disabling Cellular and then see if it the works as intended.