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3 Surprising iPhone Mistakes That Almost Always Cause A Slower Phone

March 25, 2026 by Abigail Connolly
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There are few things more frustrating than dealing with a slow or lagging iPhone, especially if you’re a busy person.

Although there are sometimes things out of your control that can cause lagging, like some kind of internal software issue, a few actions and choices you make with your phone can make it worse. Using information from tech pros, we’re listing three iPhone usage mistakes that could contribute to a slow, lagging phone. Read more about them below.

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2. Apple TV

Apple TV has become such a big streaming platform that Apple decided to make it a pre-installed app for modern iOS users. If you're subscribed to it and enjoy Apple TV's original content, then having it on your phone can be nice. But if you don't have a subscription and can't watch anything, then you should certainly delete it to save up some storage space. Even if you do have a subscription, if you're running out of space on your iPhone, deleting it and sticking to watching it on your TV instead can help.

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3. iMovie

It's one of the first original pre-installed apps put out by Apple, and though some filmmakers love it for the occasional casual project, it often goes unused by most iPhone users. There's a good chance that you're not making movies on iMovie, and you'd be surprised by how much storage you can save by deleting it, as it holds onto all sorts of files and features until it's gone.

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3. Letting Your Phone Battery Drop Below 20%

It might seem like common sense to go about your day and use your phone until its battery life drains all the way to 1% or letting it die entirely. However, letting your device drop below 20% battery numerous times a day can do a lot of damage and slow it down.

 

"Time at zero means your phone will rapidly cool down, which can shock the battery and cause damage to its ability to hold a charge," adds Simpson. "If you've ever been in a really cold environment and tried to use your phone, you'll notice just how quickly the battery drops."

Author:

Editorial Assistant

Abigail is a journalist based in Brooklyn, New York. As an Editorial Assistant for SheFinds, she covers topics ranging from celebrity news and fashion to wellness. She has written for other publications, including Chip Chick, Bandsintown, BroadwayWorld, and more. When she isn't writing, Abigail loves spending time in the city with her friends, being a 'dog mom' to her Chihuahua, and singing along to some of her favorite music.

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