This iPhone 12 and 12 Pro replacement battery is what you need to bring your dead iPhone back to life! Tested to confirm there are no cycles on the cell and the capacity is 95% or higher.100% factory tested with a customer return rate of only 1%.Assembled using high quality chipset from Texas Instruments.Spot tested by iFixit staff in San Luis Obispo, CA to ensure consistency of quality and capacity.Battery adhesive is preinstalled to improve the quality of your repair. Battery degradation is an inevitable part of the lifespan of your iPhone 12 or iPhone 12 Pro. Extend the life of your phone with this new replacement battery. If your iPhone 12 or iPhone 12 Pro 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 12 and iPhone 12 Pro with Adhesive Strips PreinstalledDisplay Assembly Adhesive SpudgeriFixit Opening ToolSuction HandleAngled TweezersiFixit Opening Picks (Set of 6)Plastic DropperPrecision Bit Driver4 mm Precision Bits:Phillips #000Pentalobe P2Tri-point Y000iPhone Standoff Bit This part is compatible with iPhone 12, iPhone 12 Pro.