How to fix an iPhone 7 Plus that won’t connect to Wi-Fi after an update

A soft reset, often known as a device restart, is used to apply recent modifications to your device's settings. It's also the easiest and most efficient solution for small troubles caused by phone system faults. You should restart your iPhone right now if you haven't already. To begin, here's how to perform a soft reset on the iPhone 7 Plus:

1. Hold the Power button down until the Slide to Power off symbol displays.
2. To turn off your gadget, drag the slider.
3. Press and hold the Power button for 30 seconds, or until the Apple logo displays.