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power-current fluctuating-drain battery

noxever

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Jul 12, 2021
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Hi guys, I repair iphone boards! i have 3 years experience in this field and i have a lot of phone with this problem and i cant found any reason for that during these years i need an electronic expert .I saw a lot of iphone 6/6s/7/7 plus/6 plus and etc.. almost i saw all of apple phone with this problem so the problem is: phone drain battery so fast but work finely. i checked those board with thermal camera and i found all of them have same problem, they got heated in VCC-Main CAPs around Main PMU so the amp-meter show current fluctuation and they got heated and got cold and these cycle repeat . i take some pictures that can show you the problem and share it, can any one help with this? thank you

sorry for my bad english
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