Just bought an OG SE 128gb for 100$. The battery health is 94% and the guy told me it has never been repaired.
The problem I’m facing is that the battery is draining very quickly from 100% to like 80% (I can actually see it drop 1% every couple of seconds).
After 80% it starts to slow down normally.
What could be the cause for this?
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Yeah, old battery. That’s what happens when the battery is bad.
My s20+ had this problem.
Probably needs a new battery if it’s never been replaced. That 94% health is most likely inaccurate
Definitely replace the battery. That battery is probably original and has been in that phone for a long time. A battery replacement will make a huge difference.
That’s one sign of a bad battery. I had it. A good replacement was the fix.
Best buy won’t let you replace unless you have below 80%
The battery is old and is needing replaced. I purchased a brand new unopened OGSE in 2022 and the battery behaved unreliably once it was down to 20% or less. I ended up replacing it at the Apple Store and it works perfectly now.
What iOS version are you running? Mine came with 16.6 and my battery would just drop all day/night with no use. I saw others mentioning that iOS 17.1 corrected their battery drain issues, so I downloaded the stock 17.1 image and installed that through finder — now my battery life is FAR better. It’s night and day.
On an OGSE? Didn’t think it went beyond iOS 15?
It doesn’t. People still buy outdated devices lol, like me and my apple watch series 3
Back when I had the OG SE I had a battery case as it had 82% battery health. Whenever I woke up after it being charged, I would go to my campus gym from my 2 mile runs, listen to music in my wired 3.5 mm headphones, come back to my dorm and it would get down at 22% from 100%, with no charging. I would hit the button to charge it on the case, at it would be absolutely fine the rest of the day. Point is iPhones have weird battery issues often, but I wouldn’t worry about it. Never phased me.
Also I have a XR now, and there was this one week where the battery was dropping like mad but then it eventually stopped doing that, and now I have a Mophie juice access pack on it just in case (I’m pissed Mophie gave up on those btw because they had the best design for battery cases)
that mophie case for iPhone 5s/se looked sick, maybe i’ll get one since it seems there’s some still available on ebay
Probably cold and old. Id recalibrate the battery by taking it from 0 to 100 to 0 multiple times.
I wouldn’t go to 0% ever though as each time it dies something to it and drips the “Battery Health” a few %. Even Apple recommend never go to 0%
It turns out what the guy recommended me to do (to drain it to 0% and then leaving it charging on 100% for a while) actually fixed the calibration, since it is now draining normally. Really happy about the result. Battery health was 94% now it’s showing 92%