The iPhone 6S is turned on, but the iPhone 6S screen is black. In order to fix iPhone black screen problem. After replace the iPhone screen, the black screen problem still there. So, we need to check iPhone logic board and repair it. Disas…

When we replaced the iPhone 6 display screen, press the iPhone power button, the iPhone turning on, but the iPhone LCD screen doesn't display. We need to fix it, here is the repair guide! Disassemble the iPhone, and take out the iPhone mot…