iPhone 6S Won't Turn On Repair with LINCSEEK Infrared Thermal Camera

iPhone 6S Won't Turn On Repair 

Facing with iPhone 6S cannot boot up, we used LINCSEEK Infrared Thermal Camera to find the faulty part. 

 LINCSEEK Infrared Thermal Camera:https://bit.ly/3IVIRlK 

YIHUA 8858 Hot air gun: https://bit.ly/3F85fGd 

Microscope: https://bit.ly/3IVNrk