Hello and welcome to Apple Support Communities IbrahimH1,
We see that you're unable to fully connect and gain internet access with Wi-Fi on your iPhone. We know that it is important to be able to connect to Wi-Fi when its available, and we'd be happy to help.
Let's have you take a look at the articles below that have some troubleshooting steps and tips to help with what you've been experiencing with your iPhone.
If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network
Resolve Wi-Fi and Bluetooth issues caused by wireless interference
Recommended settings for Wi-Fi routers and access points
Let us know how this goes. If the issue remains, does this is happening with every Wi-FI network that you try to connect to? Or just your home network?
Thank you for using Apple Support Communities.