This iPhone 4 replacement battery fix kit includes all the parts and tools you need to bring your dead iPhone 4 back to life!

• Install a new battery in six easy steps.
• 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.
• Make future repairs easier by replacing the Pentalobe bottom screws with the Phillips bottom screws included in this kit.

Battery degradation is an inevitable part of your iPhone 4’s lifespan. Extend the life of your phone with this new replacement battery compatible with iPhone 4. If your iPhone 4 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