https://wccftech.com/how-to-fix-wifi-bluetooth-issues-after-ios-12-update/

iOS 12 is finally available for download on all supported iPhone and iPads. The update boasts quite a handful of improvements both in terms of the forward facing features as well as under the hood improvements. If you have installed iOS 12 on older hardware like the iPhone 5s or the iPhone 6, then you must have experienced the enhanced performance. However, if your device is running into Bluetooth or WiFi issues after the update, here’s an easy fix.

As we have mentioned earlier, even though iOS 12 us an evolutionary update, it brings a plethora of new features to the table. Some of the features include Siri Shortcuts, New Notifications, Memoji and much more. Check out more features here if you haven’t already.