This iPhone 8 replacement battery fix kit includes all the parts, tools, and adhesive you need to bring your dead iPhone 8 back to life! 100% factory tested with a customer return rate of only 1%.Tested to confirm there are no cycles on the cell and the capacity is 95% or higher.Spot tested by iFixit staff in San Luis Obispo, CA to ensure consistency of quality and capacity.Assembled using high quality chipset from Texas Instruments.Battery adhesive is preinstalled to improve the quality of your repair. Battery degradation is an inevitable part of your iPhone's lifespan, extend it with this new replacement battery compatible with an iPhone 8. If your iPhone 8 won't turn on, is stuck in a boot loop, has a "service battery" warning, or simply won't hold a charge, this replacement battery may be what you need to fix it. Kit Includes:New Replacement Battery Compatible with iPhone 8 with Adhesive Strips PreinstalledDisplay Assembly AdhesiveiFixit Opening PickSpudgeriFixit Opening ToolSuction HandleAngled TweezersPrecision Bit Driver4 mm Precision Bits:Phillips #000Pentalobe P2Tri-point Y000iPhone Standoff This part is compatible with iPhone 8 (Excludes iPhone 8 Plus).