COMPATIBILITY: This battery only fits for Samsung Galaxy S21 FE, SM-G990B, SM-G990B/DS, SM-G990U, SM-G990U1, SM-G990W, SM-G990E, SM-G9900, SM-G990B2, SM-G990U2, SM-G990W2, SM-G990U3. Please carefully confirm your phone model before purchase. Battery model: EB-BG990ABY, For Samsung Galaxy S21 FE Battery support up to 800+ charging cycles, built with new 0 cycle original SDI battery cell. Included Toolkit: The Samsung Galaxy S21 FE battery comes with all the tools you need for repairing, helps you to complete the repair process effortlessly. Step-by-step Instruction: we provide a vivid instruction manual to show you how to disassemble your device and replace the battery by yourself, you'll find it would be an easy task for you with this guide manual. Friendly Support: You can reach out to us whenever you have any questions or need any help, our specialists will be glad to assit you anytime. GREEN FUSION Compatible with Galaxy S21 FE Battery Replacement, EB-BG990ABY New 0 Cycle Battery for Samsung Galaxy S21 FE G990U/U1/B/W/E with Installation Instruction & Repair Toolkit