The mobile lcd flex cable repair machine and the Line Laser Removal Machine are sophisticated pieces of equipment designed for the intricate task of repairing smartphones afflicted with a variety of screen and connection issues:

Flex Cable Repair Machine: This tool specializes in mending damaged or torn flex cables which are often the culprit behind screen display problems, touch issues, and other malfunctions. 

Line Laser Removal Machine: This machine employs a precision laser to remove corroded or damaged lines, particularly useful for fixing phones with water damage leading to line corrosion.