Replaced battery, still having fast drain

One day I went to the Apple Store. They informed me that my battery was old. I replaced the battery and it is still draining too quickly. I lose 1% every minute. I even went as far as restoring the phone back to factory still happening. At times the phone gets very hot. Anyone having similar issues and what can I do to resolve or pinpoint but the problem is?

The battery was bought here from ifixit

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Hi,

I have a similar problem with my iPhone and it's battery life. I replaced some of the internal parts like the sleep/wake button and volume controls on my iPhone. I had to take apart a lot of items including the motherboard. I was wondering if there was a way of damaging any of the components in the process upon reinstalling the everything (shorting something on the motherboard, or even possible damaging the battery somehow). Whatever the case, it's frustrating and I'd like to fix it. Anyone else have thoughts?

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I'm suspicious that there is a malicious background task (that isn't shown on settings under battery usage) that is using CPU cycles. For all I know it is also using my LTE bandwidith and WiFi. If someone was going to write malware like this for the phone, of course they would make it so it hid from the user.

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I had the same Problem. What I did was deactivated iMessages and Cellular data. and it doesnt drain fast anymore

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I have the same problem. I just put in a new battery two days ago. Loses 1% every minute with no apps open.

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If you use a known good battery and still get this fast discharge, then consider the following:

First possibility is that you a have a short somewhere on the board, causing battery to be depleted because this short is consuming power and dissipating heat.

And also the charging circuit in the iPhone 5 is infamous because of a component on the board known as U2 which often fails. The risk of breakdown increases with the use of bad quality charging cables and car or wall chargers.

There are 2 major symptoms that I know of, that indicate the failure of this component:

A/ The phone will charge *seemingly* normally, but if ever it shuts off, it won't turn back on. Change the battery, and it will work normally until again it shuts off. Then again it won't restart. Chronic.

B/ The battery will discharge very quickly and will be dead within 1-2 hours!

C/ Device will not communicate with computer via USB. As if never plugged. And/or you get fake charging (says it is charging but does not).

I don't know how much it costs to fix this in Europe or the USA, but it should be pricey because of the required special tools, skills, and experience.

My advice is to take it to a reputed and trustworthy repair shop that can test the device, confirm the prognostic (may be you're lucky and it is something different and easier to fix), and quote you the repair.

OR have it exchanged at the Apple Store by paying an exchange fee, if still possible (as you already worked on it, they may refuse to do it).

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Unfortunately this is happening to a lot of people and no1 has the answer it could be prying damage on motherboard any1 else no component damage in the motherboard that would cause this?

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I have the same problem. I plan was to repair it after work in my compnay - we have mircosoldering tools etc... But at the moment I can not buy the U2 IC or PM IC in the shop. Is that right?

Thanks Anton.

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For starters never restore it as new as I've seen people on forums suggest. That deactivates it from the carrier and then you have to reactivate your number and everything secondly have you done a hard reset while it was plugged in? Because they could have messed up the sensor that reads have much power is left. Thirdly check your usb cord if its falty it could mess up your phone's ability to hold a charge. Take it to an Apple Store though instead of listening to forums though

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Also have them check the charger port maybe something got singed in there like lint or dust when you went to charge it. If it's still draining fast take into consideration the apps you use. Also if it's been exposed to extreme heat or moisture that could effect battery life some people fail to understand apps can be a battery guzzler

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