Samsung sells roughly 260 million phones every single year, and Samsung is betting that almost none of those owners ever find the one setting quietly draining their battery while they sleep.
I talked to a repair shop tech who's personally opened up over 10,000 phones for "battery replacement" appointments customers convinced their battery was dying, wanting to pay $80-100 to swap it out.
What he told me should make you check your settings tonight instead of booking that repair:
"Easily half the 'my battery is dying' customers who walked through our door didn't need a new battery at all. Their battery health was perfectly fine 90%, sometimes 95% capacity. The battery wasn't the problem. A handful of settings running in the background, all day and all night, were the problem."
Here's everything he showed me, setting by setting 🧵