How to make your smartphone last longer

Replacing a smartphone every two years is partially why billions of phones go into landfills each year. If stacked flat atop one another, that many handsets would reach farther than the ISS. But we’ve become accustomed to that 24-month time frame because wireless carriers often push an upgrade on biennial contracts, and many smaller phone makers only offer software support for two years. But now, with longer software commitments from major manufacturers, along with growing right-to-repair legislation, many newer phones can stay in our pockets for closer to seven trips around the sun. Here’s how you can extend the lifespan of your smartphone and avoid shelling out hundreds before it’s absolutely necessary.

Amy Skorheim for Engadget

Use a case

It’s a flashy move to carry a naked phone around, but the chances of a handset making it through a tumble go up dramatically when you employ extra protection. We recommend a few in our guide to iPhone cases. In my family, we’ve been happy with Mous cases. Though we’ve never subjected our phones to the brutality seen in the company’s ads, I can say that these cases have seen my partner’s aging Samsung Galaxy through some pretty gnarly spills and I credit the cases for getting my iPhone 11 to 2025 in working condition.

Take care of the built-in battery (or use a power bank)

Since a phone’s battery is often the first thing to show signs of age, it’s worth it to follow recommendations for extending its lifespan. Lithium-ion batteries don’t perform well in heat and you should avoid charging them if it’s hotter than 95 degrees — doing so can degrade the battery quickly and even cause them to malfunction. They’ll tolerate cold weather better, but can get sluggish when things get too chilly.

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If you’re storing a phone for a while, it’s best to do so with the battery at half charge, rather than full or empty. In fact, Li-ion cells last longer when they spend less time being either completely discharged or full — that’s why battery optimization features in iPhones and Pixel phones delay overnight charging to 100 percent until about an hour before you typically grab your mobile. And while it’s sometimes necessary to charge a battery quickly, a slower charging method when speed isn’t critical will put less stress on the ionic components and help extend the cell’s life.

But over time, any battery will eventually wear down. And if you’re traveling, relying heavily on navigation or using the phone as a hotspot, you might need more juice to get through a day. We recommend many options in our best power banks guide but the battery I grab most often is the Anker Laptop Power Bank. It’s got built-in USB-C cables and delivers enough charge to give any device (including laptops, extra hours of life). But for something smaller, I like the reliability of Statik’s semi-solid state MagSafe battery.

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