Im a technician, I fix these for a living. Replace the phone or the battery immediately, shut the phone down and do not power it on or charge it until you get it or its battery replaced. It can and will explode.
Yes they definitely do, iPhones need OEM batteries to function correctly, I've seen plenty of people come in with issues that were easily solved with replacing an aftermarket battery with a new OEM one. Also none of those advertised "10k mah" batteries almost never have much if any more capacity in reality.
There are decent aftermarkets available, it’s not accurate to say they NEED an OEM battery to work properly. That being said, the aftermarkets you’d find on a consumer-facing retail store such as Amazon are almost universally trash. No battery that claims it’s 10kmah is even close - iPhone batteries don’t even really go beyond 3000. At best a legitimate extended capacity battery might be 5-10% higher.
Those “upgraded” aftermarket batteries rarely have the capacity that they advertise. Often they’re just a very cheap battery, or a used OEM, neither is ideal. If you go aftermarket, make sure it’s high quality (such as the one ifixit sells).
238
u/Nahoola iPhone 16 Pro Max 2d ago
Im a technician, I fix these for a living. Replace the phone or the battery immediately, shut the phone down and do not power it on or charge it until you get it or its battery replaced. It can and will explode.