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iPhone 7 battery draining even on standby...any solution?

Hi,

My iPhone 7’s battery health is 83%, but a couple of weeks ago it started draining, like in a test, I restored it, pulled the sim, no iCloud id, no apps, just connected to Wi-Fi, charged to 42% and after about 8-10 hours it was dead. No activity. I have restored/updated multiple times.

After that I went to an Apple Authorized Center, they ran diagnosis, and told me battery tests passed and since its 83% they won’t replace, and told me its most probably some board/port issue. They offered me replacement at full price (around 420$, which doesn’t make sense to me).

I don’t know of any good repair shop in my area. Any idea what could be the issue? Or how should I proceed with this phone? It’s useable to some extent, or at least when I’m at home. Will continuing using it can cause serious damage etc?

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As an independent shop owner myself the answer is QUITE obvious. The battery is most likely the issue and the “Apple Authorized Service Provider” was trying to sell you a replacement device for a much higher profit margin. Typically when the battery health drops below 85% is when people notice they’re charging multiple times throughout the day. You can order DIY battery kits from ifixit or check the reviews from local repair shops. If you have a batteries plus bulbs, I would avoid them. They use subpar Rayovac batteries. I myself use batteries with higher capacity than the original so you get more runtime out of every charge.

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I called Apple directly today, they ran 2 diagnostics tests on my device and concluded that it actually the battery problem. So they have initiated talks with "Apple Authorized Service Provider" here. And told me they will keep me updated.

Thanks!

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I feel like this is semi-normal, my iphone 7 does the same thing.

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This happened suddenly, earlier it was fine, and it was same at 83% earlier.

Also I use MFi certified or official accessories. No counterfeit stuff.

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@Jawad Hadi definitely agree on that. Non MI certified accessories damage your devices. And I speak from experience.

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yep, my ipod touch broke due to a non mfi charger, so I took it upon myself to pony up for the apple charger instead of an “el cheapo” one i got at a dollar store. Lesson learned xD

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