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Repair information and guides for the iPhone 6 that was released on September 19, 2014. Model Numbers: A1549, A1586, and A1589

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Battery Drains fast 55% in 10 hours without using it.

hello friends,

got an iphone 6 with a water damage. "cleaned" the logicboard and changed it into a new backhousing lcd etc. everythings works fine, except the battery. it drains too fast.

55% in 10 hours without using it and no sim card is in it. if i use the iphone it drains even faster.

ive heard about the u2 ic, but somebody told me that this wont work.

anybody has got an idea? really appreciate it.

kind regards

Answer this question I have this problem too

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Typically lithium ion batteries do not do well in water damage situations. Have you tested a new battery on your device? How about a new charging dock? All of these should be tested before you assume it is the U2 IC Chip.

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i forgot to mention that i changed the backhousing including battery, dock connector etc.. but the same issue. after 11 hours battery is 35 %, i lost 65 per cent.

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its more than likely board damage. My guess would be a filter or three is corroded but it could possibly be the charging IC. Really the only way to tell is to throw the board under a scope, clean any corrosion you find, replace any bad parts you find, then try again. If its still doing it, its probably the IC. But that's not even 100%.

I'm of the mindset that water damage is basically a death sentence for a phone. Even if you spend hours cleaning and fixing it, there is no sure way to get all the damage and its almost certain that other issues will pop up. Most people repair them to the point they can recover their data, then move on.

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