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Released September 16, 2016. Model 1660, 1778 Available as GSM or CDMA / 32, 128 or 256 GB / Rose gold, gold, silver, black, and jet black.

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Battery going 90% to 3% in a few seconds!

Hi everyone

One year ago I bought an red iPhone 7 in local Apple Store in Florida .

For one month, I got a problem with the battery and it discharges very fast maybe 80% to 90% only in a few seconds.

I tried many things like a restore or install a new iOS, but no success unfortunately

The health check up on iOS doesn't find anything and apple support too.

Does The trouble really come from the battery ?

I'm ready to change it.

Thanks from France

Answered! View the answer I have this problem too

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I changed the battery and it solved the problem.

Very useful coconutbattery

My genuine battery last only 8 months ...

Thanks again

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The battery is the weakest link so that would be the first thing to try now that you have tried some software based solutions. It's a relatively straightforward repair if you follow this guide.

To be certain, use a battery utility, such as coconutBattery (for Mac) or 3uTools (for Windows). It will tell you what the health of the battery is. Anything less than 70% of design capacity will require replacement.

If you have access to a USB Ammeter, you could use that to determine if the phone is really drawing current when it says it's charging.

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1 Comment:

Thanks for helping me. I will tried coconutbattery i didn't know this software.

For many years, I made many hardware repairs and fixes it will not be a big deal for me to change the battery, don't worry.

I'm just wondering if it will be a faulty ic or anything else

Thanks again

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Josselin will be eternally grateful.
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