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
![2021-07-12 10.19 (3).jpg]( "2021-07-12 10.19 (3).jpg")
![2021-07-12 10.20 (1).jpg]( "2021-07-12 10.20 (1).jpg")
![2021-07-12 10-18-14.JPG]( "2021-07-12 10-18-14.JPG")
![2021-07-12 10-17-26.JPG]( "2021-07-12 10-17-26.JPG")
sorry for my bad english