You might have seen a tweet or Facebook post over the past week with a pic of someone’s swollen iPhone 8 case. A handful of such claims have surfaced since the phone started shipping on Sept. 22, and as expected, they’re making headlines all across the web. But there’s no reason to worry yet.
Bulging batteries are caused by a buildup of gases inside the cell. It generally affects older batteries that are reaching the end of their lifespan, but while it’s rare, it’s not completely uncommon for it to affect new batteries as well. In fact, if you search for “iPhone 7 battery swelling,” you’ll find numerous cases of Apple swapping out new iPhones that experienced the very problem being spread across social media.
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