Released September 25, 2015. Model A1688/A1633. Repair of this device is similar to previous generations, requiring screwdrivers and prying tools. Available as GSM or CDMA / 16, 64, or 128 GB / Silver, Gold, Space Gray, or Rose Gold options.

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iPhone 6s battery draining fast even after replacement battery twice!

Hi ,

Guys I replace my battery because it was draining fast

but I notice it still draining fast , better than original battery but still draining fast

so I was thinking maybe the new battery is defective

So I replace battery again

and still it's draining fast !!!

What is the problem ?

Is there something else will make my battery draining fast ??

Contestado! View the answer Yo también tengo este problema

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Been using cheap cables I guess?

You have damaged the tristar chip, when this is damaged, it can drain the battery extremely quickly.

You would need to take it to someone who does microsoldering, and can replace the tristar chip. :-)

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I never ever used a cheap cable , I used the original cable came with iPhone


Any liquid damage? Any recent drops? Charging in car? So you've never ever used a friends cable when you haven't got yours?


I always have a cable with me , I use I power bank from Anker

the same power bank I used before iPhone 6s , I never have problem with battery on my old iPhone

and no there isn't any liquid damage

BTW my iPhone 6s had a problem with battery that Apple talk about

But in my country there isn't apple store


Is IC or U2 or Tristar is different name but same chip ?


Yes basil same chip.


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Hi, I still have the same issue even after new battery and IC replacement. Is there anything else that can have the problem?

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Basil estará eternamente agradecido.
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