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