If you've been missing your phone notifications recently, you're not going crazy. You probably just can't hear them thanks to the Apple's latest update.
Before you read any further, take the following steps on your iPhone and iPad NOW:
1. Go to Settings.
2. Go to Cellular.
3. Scroll down to the very bottom.
4. Disable WiFi Assist.
Apple's latest operating system includes a feature that allows the iPhone and iPad's data connection to switch to the mobile carrier when it's experiencing shoddy WiFi...