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iphone se 2016 after upgrading to 15.3.1, the battery quickly sits down. the battery didn't change. residue 87%. 14 firmware did not have such a problem. updated over cable via iTunes. fix this in new versions. because it is very noticeable!!
iPhone SE
Welcome to the Apple Support Communities.
For info on Battery Health and Battery Life, see these Apple Support articles:
Jack
Welcome to the Apple Support Communities.
For info on Battery Health and Battery Life, see these Apple Support articles:
Jack
Although 87% capacity isn't bad, a 5½ year-old battery is inevitably weak due to age & use – likely causing the battery to quickly discharge.
We see many similar cases in these communities in which the weak batteries of older model iPhones are exposed following a lengthy iOS update.
You can find out definitively whether yours is yet another such case by having the battery replaced. And then, even if the problem persists, you'll have a strong, new battery ready to work well with the hypothetical new "firmware" when it arrives.
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evgeny81 wrote: "...residue 87%..."
evgeny ~ What do you mean by "residue"?
With an older iPhone model such as the iPhone SE 2016, it's worth checking the battery. If it's still the original 5½ year-old battery, the long process of applying an iOS update can strain a weak, aging battery and be the proverbial "straw that broke the camel's back". What's the Maximum Capacity % here?...
Settings > Battery > Battery Health
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still nothing worked. went to the service and replaced the battery with a new one. the phone began to work faster and now holds a charge for 3-4 days. the problem appeared immediately after the firmware update, so I thought about the crooked software. but the problem was in the old battery. although the iPhone showed 87% and maximum performance.
I already know this. I am 30 years old and not 10. something is wrong with the new firmware and not with my battery. but thanks for answering.
"What's the Maximum Capacity % here?" - iphone writes 87%
evgeny81 wrote: "...the battery didn't change."
Are you saying that it's still the original 5½ year-old battery?
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thanks for answering
reset everything to factory settings. did not restore from a backup. downloaded again from the app store. discharged to zero a couple of times and charged up to 100%. now everything works correctly.
the battery quickly sits down after update
