#How to make sure battery health is reliable?

1 messages · Page 1 of 1 (latest)

drowsy geyser
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Hello hope you're having a good day.

Long story short bought a refurbed 13 Pro with 90% Battery life ... However i'm a bit sceptical as to if the battery life is real...

For example when i left the phone at 00:00 yesterday and i woke up at 9:30 today to check it. it lost 8% battery idling.. ( Not sure if that's a good or a bad thing, i'm a first time iPhone user so there might be some settings and actions which i have enabled and i dont have optimal battery life )

Also i've noticed that the battery sometime drops all at once for example i might have 40% for 1 hour and then suddenly it goes to 35%

Is there any way i can reliably see if the battery i have is authentic or if it has been "injected" somehow to show a false battery life? So far i've found this.

https://www.youtube.com/watch?v=eySs2eHM7GE
Which says i have 75% battery life.

Thank you for your time

YouTube
ElectronicsHub
How To Check Real Battery Health On iPhone?

Is your iPhone battery giving you the runaround? In this informative video, we dive deep into the world of iPhone battery health. Discover how to accurately check your iPhone’s battery performance and learn if it’s really telling the truth about its health. We'll guide you through the steps to access the built-in battery health feature, as w...

▶ Play video
red imp
drowsy geyser
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From a local store in my country sadly the 30 day return policy has been gone

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From the question i expect the news are not good right ?

red imp
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So you set it up more than 30 days ago?

drowsy geyser
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Yep

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Do iphones also have this " grace " period for battery adjustments after resetting the phone?

red imp
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Kinda, I guess

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For up to a week after you first set it up, it will index the phone

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And it can affect battery life and performance

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But if you set it up over a week ago, then that’s not the issue

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So odd question, did you reset the phone yourself or did the seller or previous owner reset the phone for you?

drowsy geyser
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Seller did, i have no idea how to reset an iphone tbh

red imp
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Ok I would recommend resetting the phone yourself to make sure they didn’t jailbreak it to change the battery thing or something (I highly doubt they did tbh)

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90% does sound kinda correct for your scenario tho

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Oh and to reset the phone it’s Settings > General > Reset (all the way at the bottom) > and then some more self explanatory buttons to reset it

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If you don’t wanna it’s fine, I don’t think they spoofed it

drowsy geyser
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Ok i will give it a shot sicne 90% of the apps i have are on my ipad as well so setting up again will be a breeze