IPHONE 4 DATA AND Wi-Fi REFUSING TO WORK?

So recently, my data as well as any Wi-Fi I'm connected to, refuses to work on anything other than facebook, calls, and texts. Safari, snapchat, instagram, netflix, etc. It all says no connection. My home Wi-Fi is fine for others in the house, and on other devices, but mine doesn't connect, even on data. I'm completely stumped on why my phone is being so dumb. It shows in the settings that I'm connected to Wi-Fi, but doesn't actually work for some reason. Can anyone help? Please?

Is your phone old? Has it had any damage to it lately like drops, water etc? Is it updated? This happened to me because my phone was old. Its probably time to upgrade to a new phone

Try to Factory Reset the phone

Try restoring it through iTunes, but not before trying a network reset in the Settings on the iPhone.

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