The ability to synch your Messages (as well as numerous other services) across multiple Apple devices is undoubtably a huge convenience, but also one that could lead to a serious breach of privacy. Obviously nobody wants their private messages accessible to friends, family and co-workers. If you are the type to have your text messages arrive on every Mac that you use, you might want to check which ones you are logged into, as you wouldn't want your messages popping up on a Mac that you share with a roommate, or on an iPad that you left at a friend's house.
There's no better way to organize an inbox flooded with emails of all variety than to put the important ones into categorized folders and throw out the trash. Emails from friends should be in folders named for them, financial emails should be in an appropriate folder, emails about an upcoming vacation should all go to a folder and so on. The idea always sounds great but putting it into action can be tedious. If you want to get your email organized and you're up for it, here's how to create folders in Mail on iPhone and iPad:
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.