You can have many credit and debit cards saved in your Wallet app to use with Apple Pay, but only one pops up as the default when you double tap your side button to make a payment. Of course you can then choose a different card, but why have that extra step? If you have one card you like to use in almost every case, you should have it as the default option. Here's how to switch your default payment card for Apple Pay on iPhone:
iOS 13.6 has added a new category to the Health app - Symptoms. In the same way you can keep track of other statistics like your temperature, blood pressure and body mass index among others, this allows you to track a variety of symptoms based on severity and time, which can be invaluable in diagnosing what ails you when you meet with your doctor.
If you are feeling sick or otherwise unwell and want to track your symptoms ahead of a doctor appointment, here's how you can do it in the Health app on iPhone or iPad:
When a new iOS version arrives you get a badge notification on your Settings app that lets you know about it, plus a prompt asking you for permission to download and install it either now or overnight or to remind you later. Most people don't want to install it during waking hours because it can take a decent chunk of time. While downloading it can take a few minutes, you can at least continue using your iPhone while it is happening.
If you have kids that use your iPhone, iPad or Apple TV to watch movies, you probably don't want them watching content with nudity, profanity or graphic violence.
Most people stream movies and shows while their iPhones are connected to Wi-Fi, not only because the connection is typically faster, but also because of the high data usage required to stream high definition video over cellular, even if they have a so-called "unlimited" data plan. So, how to watch movies when you're on a road trip or flying and don't have a Wi-Fi connection?