Compatible Phone Model: This battery kit is specifically designed for Samsung Galaxy S8 (with model SM-G950 series), NOT work for Galaxy S8 Plus / Note 8, please double confirm your phone model before purchasing Quality Li-Po Cell: Built with brand new zero cycle original Li-Po cell, manufactured and tested under UL2054 test standards to ensure the best performance and long-lasting battery life. NOTE: A new battery requires at least three full charge and discharge cycles to properly calibrate the battery management system Includes Original Back Cover Adhesive: The battery comes pre-installed sticker—just remove the protective film and press the battery firmly into place for easy installation. Additionally, the package includes a pre-cut original back cover adhesive, making installation even more convenient and efficien Galaxy S8 Battery Detailed Repair Guide: The package includes a complete and detailed repair guide, allowing you to easily handle the repair yourself with convenience and peace of mind Galaxy S8 Battery Professional Repair Toolkit: Carefully selected by our expert repair team, this kit includes every tool you need for the repair process. It's professional, safe, and easy to use, giving you the confidence to complete your repair quickly and efficiently MAXSHARKS New Upgraded Battery for Galaxy S8, EB-BG950ABE Battery Compatible with Galaxy S8 SM-G950 Series with Instruction & Tools