USB Charger Port Front Keyboard & Mic Flex Cable Replacement Part for Samsung Galaxy S4 Active i537 USB Charger Port Front Keyboard & Mic Flex Cable Module Replacement Part for Samsung Galaxy S4 Active i537 No instructions manual include. Professional technician is needed for installation. We wont responsible for any damage due to improper operation. *Repair/Replacing old, broken, damaged USB Charger Port Front Keyboard & Mic Flex Cable Compatible with: Samsung Galaxy S4 Active i537 Pacakge include: 1x USB Charger Port Front Keyboard & Mic Flex Cable