iPhone X Keeps Restarting With Vertical Lines Troubleshooting

iPhone X features vertical lines on the screen and keeps restarting? How to narrow down the fault possibilities by ruling out one by one? How to confirm the fault and fix the problem? Let's see how REWA engineer deals with it. 

Tool List:

Hot Air Gun Rework Station - 990AD

Soldering Iron Rework Station - 969A

Integrated Mobile Phone Repair Platform

Digital Multimeter

Motherboard Soldering/Desoldering Rework Station

Solder Wire

Any other problems, feel free to contact us at sales@rewa.tech