XA4 PRO RELIFE iPhone 8G-16PM One-Touch HD Display Power Cable, With USB/Type-C Dual Interface For iPhone,A tool designed for mobile phone repair. Purpose: This cable helps solve issues like automatic restarts, screen flashing, and inability to boot on iPhones from 8G to 16PM models. Features: It offers original protocol output, an expandable design, snap-on usage, and supports firmware updates/upgrades. Functionality: The device includes one-touch power on, support for IP8G-16PM models, data storage and playback, upper computer control for voltage and current adjustment, and a 2-inch HD display. Shopping: The product is available from "FMT Online Store Mobile Repairing Tools" as indicated by the branding in the image.