Here is a guide for the positive connection on iPhone 5s charging ways.
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Monday, July 31, 2017
iPhone 5s positive ways
Below is the image where you can find the battery positive connections that has a 3.8V. If you have a shorted iPhone 5s unit, you can check all these red colored parts by removing one by one.
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How To Fix Samsung Galaxy Grand Neo Plus Can Charge, But Can't Power On
Here's a Samsung Galaxy Grand Neo Plus GT-i9060 from my customer. He said that it normally charge, but it can't be on. Basically it's a power switch ways problem or the switch alone. Let's check the switch.
After dismantling the unit I found that its switch flex...
iPhone 5s Switch Ways
Here is a connection of iPhone 5s switch ways.. I personally trace it using zxw tool.
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Thursday, July 27, 2017
Repairing iPhone 4 No Power
History: water damage
First thing first, that is basic troubleshooting
1. Open the unit, check if grounded/shorted. Not shorted/grounded. Also check board by visual checking.
2. Replace battery and try to power it on. Still can't power on.
3. Connect usb charger to laptop...
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