iPhone 15 Pro image posted by Leather_Cheerio_402
Excessive heat can cause a gas build-up within the battery and cause it to expand. It can be very dangerous and is a fire hazard. If a phone looks like it’s disassembling itself, it’s a telltale sign that the battery is swollen.
Given all the reports that we have been seeing about the iPhone 15 Pro‘s overheating issues, it’s easy to link the two problems with each other, but that might not necessarily be the case because even some earlier Apple devices, as well as Google and Samsung phones, have had similar problems in the fast but they didn’t always cause the units to expand.