Knowledge is power iphone 14 pro

Hi Celine2325,

welcome to the Apple (user-to-user) Community.

Re: "I have connection problem on my phone"

Wondering if your iPhone's iOS is up-to-date with the latest iOS version:

About iOS 16 Updates says 16.4.1 is the latest version.

Updating may help, if you are still using an earlier iOS16 version..

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Else, if you are using the latest iOS version already,

Restarting the iPhone will often help put things right, when not working:

How to: Restart your iPhone

You could then re-test.

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Sometimes. if you use VPN, that can cause interference, so try turning VPN off temporarily, to see if that makes a difference.

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If needed:

Re: "I don’t have “Local Network” option inside the app"

What to do: If an app would like to connect to devices on your local network

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You might want to check through:

Connect to Wi-Fi on your iPhone, iPad, or iPod touch - Apple Support

Then:

Apple support have a trouble-shooting article online that covers a lot:

If your iPhone or iPad won't connect to a Wi-Fi network

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More info:

How iOS, iPadOS, and macOS decide which wireless network to auto-join - Apple Support

or

Recommended settings for Wi-Fi routers and access points - Apple Support

or

Resolve Wi-Fi and Bluetooth issues caused by wireless interference - Apple Support

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If needed:

More Support (online chat, phone, eMail etc, from "Get Support" link):

iPhone Support:

iPhone - Official Apple Support

All the best :-)