flex cable for Sony Ericsson Z520 Z520i Flex Cable with Screwdriver This ribbon connects the LCD Screen & the main motherboard together. It may helps you to repair your phone with following common faults: 1. White Lcd Screen 2. Ribbon Snapped 3. Camera Problems 4. Keypad Problems 5. Screen Appears Reversed 6. Colour or Image Distorted Compatible with: Sony Ericsson Z520 / Z520a / Z520i