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Dave Johnson

Dave Johnson is the editor-in-chief of iPhoneGeeks. He covers how-to guides, and troubleshooting instructions for iPhone, iPad, Mac, and Apple Watch.

How to keep your iPhone 15 battery health at 100%

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The iPhone 15 uses a lithium-ion battery that degrades over time, but, there are several tips you can follow to maintain its battery health. Note, the tips in this article applied to iPhone 15, iPhone 15 Plus, iPhone 15 Pro, and iPhone 15 Pro Max. If you aren’t quite sure what to do to help […]

How to Turn Off an iPhone 15

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You can leave your iPhone 15 on most of the time, but it’s sometimes necessary to shut down. Note: information in this article apply to iPhone 15, iPhone 15 Plus, iPhone 15 Pro and iPhone 15 Pro Max. If an iPhone 15 is your first iPhone — or your first smartphone, period — you might […]

16 Best iPhone 15 and 15 Plus Tips and Tricks to Try First

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If you just purchased an iPhone 15 or iPhone 15 Plus, we’ve got a series of useful tips and tricks for you that will help you get the most out of your new device. KEY POINTS The iPhone 15 and iPhone 15 Plus have a ton of tips and tricks that could easily fly under […]

How to Fix Contact Posters Not Working on iPhone in iOS 17 Issue

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iOS 17 introduces a number of handy new features, including Check-In, Standby Mode and Contact Posters, a new way to display caller information. But what do you do if Contact Posters is not working on your iPhone? Well, help is at hand. We at iPhoneGeeks have been running the iOS 17 for quite a while, […]