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If you have the Facebook app on your iPhone, you've agreed to allow Facebook access to all your phone's contacts. If you don't remember giving that permission, neither do I; but apparently, it's part and parcel of the terms of service. Don't worry, though; there's an easy way to change this sharing setting and make the names and numbers in your Contacts app private again. Let's get started learning how to stop Facebook from accessing your Contacts on iPhone. 

Did you know your iPhone has a helpful feature that allows you to color code email addresses that you're composing messages to? You've probably had the experience of inadvertently sending an email to the wrong person and the problems that can cause! Fortunately, Apple's Mail app has a feature that lets you identify a particular domain by highlighting it blue and turning all other addresses red. This can be useful if, for example, you want to make sure you don't inadvertently send your work-related emails to someone outside your company. Recipients within the company will have their email addresses appear blue in the To field, and the email address of recipients outside the company will appear red.

Creating playlists is the best way to curate songs for different events, outings, and moods. I like to create playlists with all of the albums I’ve recently downloaded, so I can see which songs I like and which songs I want to remove. You can create a workout playlist for the gym, a beach playlist for vacation, or any number of other possibilities. And with iOS 11, your friends can easily check out your public playlists too. Here’s how to create and edit Apple Music playlists on iPhone.

When it came to light that Apple was throttling processor speed for older iPhone models, the fallout was ugly. Apple explained that the throttling was meant to prevent iPhone models 6 through 7 Plus from shutting down when their batteries couldn't keep up with the demands of their processors. Apple also lowered replacement battery prices to $29 to assist customers in getting their iPhones back up to speed. Now, with iOS 11.3, Apple is letting go of the automatic throttling plan and allowing iPhone users the ability to decide for themselves whether they'd like to slow processor speeds when their iPhone's batteries aren't able to keep up. Let's learn more about the throttle setting on your iPhone, actually called the applied performance management feature, and where to disable this setting if you choose.

Some of iPhone Life's most popular articles have been about saving battery life on the iPhone, which just goes to show how much room Apple still has to improve when it comes to battery life. Luckily, you have a new source of information for saving battery life that’s directly from Apple: Battery Life Suggestions. Now, when you view Battery in your Settings app, Apple will present some suggestions for ways you can improve your battery life. Here’s how to use those Battery Life Suggestions for better battery life with iOS 11 on iPhone.

I recently wrote an article on how to turn on Two-Factor Authentication on your iPhone for better security. Apple introduced this feature in iOS 10 And then, with the release of iOS 11, iPhone users were automatically upgraded from Apple's less secure Two-Step Verification feature. Apple ID Two-Factor Authentication requires the use of multiple devices. For example, if you get a new iPhone, when you log into your Apple ID account for the first time, you’ll need to use your Mac, iPad, or old iPhone to receive a six digit Apple verification code to confirm that it’s you logging in and not some stranger trying to access your account on a random device. This is important since your Apple ID is used for everything from storing personal photos to making purchases with your credit card. However, if you don’t feel the need to use this feature, you can use this tip to turn Two-Factor Authentication off. Be careful though, your Apple ID account wil be significantly less secure and you may not be able to use Apple Pay Cash and other Apple features when you turn off Two-Factor Authentication.

So you want to know how to delete all contacts on your iPhone; well you’ve come to the right place. Apple certainly doesn’t make deleting all of your contacts a straightforward process. But there are a couple ways you can delete all of your contacts. However, if you’re simply trying to delete multiple contacts from your iPhone, we have an article on that specifically. Here, we’ll cover how you can delete all of your contacts from iPhone. To erase all your contacts, we’ll use a work-around involving iCloud. If you’ve landed on this article because you’re going to give your iPhone away or sell it, you should completely reset your iPhone instead. But if you want to know how to delete all contacts, keep reading.

Do you find it totally creepy when an ad pops up on your iPhone for just exactly the sort of thing you’d like to purchase? Does it seem like your phone has just a little too much inside information about your preferences, and you’d like to establish some boundaries between yourself and the wide world of capitalism? If so, it’s time for you to learn how to limit ad tracking in Apple Apps on your iPhone.

Notifications center on any iPhone previous to the iPhone X is accessed by simply swiping down from the very top of the screen. But the iPhone X has a notch at the top that creates a distinct top left and top right of the iPhone X. As such, Apple gave each separate side its own function. So where are notifications on the iPhone X? Just a swipe away. Plus, there’s another interesting feature pertaining to notifications on iPhone X that utilizes facial recognition for futuristic privacy. We’ll go over both in our continued journey covering all the new gestures and features of the iPhone X. Here’s how to find the notification center on iPhone X and the hidden iPhone X privacy feature that’ll blown your mind.

With each new operating system, Apple offers a range of new wallpapers as well. But it’s easy to forget that there are new wallpapers when you update to iOS 11, so I thought we’d quickly go over it in a tip. With iOS 11, you can use some beautiful new flower wallpapers, pictures of earth and the moon from space, or wallpapers with the classic Apple rainbow. Let’s jump in; here’s how to use one of the new iOS 11 wallpapers on iPhone.

With WatchOS 3, the Apple Watch added the ability to make emergency SOS calls right from its Lock or Home screen. With iOS 11, the iPhone now has the same ability to call Emergency SOS. You turn this on within settings and enable Auto Call; so if you’re in a situation where you need help, it’s easy to make a call to emergency services such as 911. In order to call for emergency services on an iPhone running iOS 11 or later, you'll need to know your iPhone model since it's slightly different on iPhone 8. Here’s how to turn on Emergency SOS on iPhone.

For years, we’ve recommended turning off Background App Refresh on your device to save battery life and cellular data. Background App Refresh automatically refreshes apps you have open in the background so that when you go to look at the app again, the page is already up to date and loaded. Which is why the feature can siphon off your data without you noticing. But now, with iOS 11 on iPhone, you can choose to turn Background App Refresh on only when your device is using a WiFi connection. That way, you can enjoy the perks of the feature without worrying about how much data it’s using. Here’s how to set background app refresh to Wi-Fi only with iOS 11 on iPhone.

When you tilt your screen on iPhone, it automatically rotates. This is helpful in many different scenarios; but on iPhone Plus models, a horizontally rotated phone makes certain stock apps look slightly different—this is called Landscape mode on iPhone.The larger screen on the iPhone Plus models is used to present more information in split screen format. When your iPhone 6, 6s, 7, or 8 Plus is held horizontally, your iPhone is in Landscape mode. Some iPhone Plus users appreciate the split screen Landscape mode, especially in apps like Mail, where they can simultaneously view their inbox and a specific email. However, there are plenty of iPhone 7 Plus or iPhone 8 Plus users who would rather just turn off auto rotate on iPhone or Landscape mode entirely. We’ll show you what Landscape mode looks like in different apps below with horizontal iPhone screenshots from the iPhone 7 Plus. Then we’ll get to how to turn off auto rotate on iPhone in case you decide Landscape mode is not your style. We'll also cover how to remove split screen from Landscape mode on your iPhone Plus and continue enjoying the extra horizontal screen space.

One of the big safety features of iOS 11 is the new Do Not Disturb While Driving feature. When it’s on and set up, your iPhone won’t receive notifications while you’re driving unless you let it know you aren’t the person driving. It will also send automatic text replies to those who try to reach you to let them know that you’re driving and not available. And if it’s an urgent message, the person can reply "Urgent" and the text will go through. It’s a great feature for those who get distracted by their phone when driving. Here’s how to turn on Do Not Disturb While Driving with iOS 11 on the iPhone.

Want to get rid of that annoying, “Sent from my iPhone” signature? Here’s how. Better yet, if you have more than one email account connected to your Mail app, you can create different signatures for the separate accounts. This is especially convenient if you have mail accounts for different purposes, such as one for work and one for personal use. You can create different signatures for Gmail, Yahoo, Hotmail, iCloud, and more. Here’s how to create different signatures for separate email accounts on iPhone.

When you do a search in Safari, it preloads the top search result in the background so that if you do indeed select that result, the page will appear almost instantly. What this means, though, is that if that's not the web page you want, you've already used up some of your data to preload it. This is fine if you're on Wi-Fi or an unlimited data plan, but perhaps not a good idea if you're trying to keep down your data usage. Fortunately, you can turn off this feature, thereby avoiding data usage for web pages that you may not want to access.

For some, it’s not easy to catch every word spoken when watching their favorite shows, videos, and movies on their devices. My mom has grown accustomed to watching her shows with closed captions, simply because she likes the added benefit of reading while she watches. Luckily, it’s easy to set up. You can turn on closed captions for media as your default on iPhone or iPad; here’s how.

3D Touch can be a cool, helpful feature for a lot of people. But I also know some who never use the feature or even find that it gets in the way of simply pressing and holding something on the screen. Whatever your reasoning, you can turn 3D Touch off on your iPhone. And it’s very easy to do. Here’s how to turn 3D Touch off on iPhone.

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