[2700mAh- Battery for iPhone 6S -2021 New Version-, TANUOYI Ultra High Capacity Replacement 0 Cycle Battery with Professional Replacement Tool Kits

TANUOYI Replacement Battery perfectly matches the specifications of your Cell Phone battery. Longest lasting High Capacity Battery restore your phone to like-new performance [ Please Note ] 1. Before you repair, discharge your iphone battery 20% and turn off. 2. During the installation process, pay attention to the battery connector fit tightly with cellphone. 3. Because the new Li-ion polymer battery is unstable, it will reach the best state after about 3-5 cycles of charging. FQA after installing: 1. Why my phone can not turn on after Installed? 2. Why my phone heat up and some blue/ black spot on the screen ? 3. Why my phone dead after using 3-4 days? 4. Why battery drop to 10 percent soon? 5. Why my phone can not charge full to 100 percent or can not charge? There are some reasons for these issues: 1. Battery connector not connect with phone motherboard properly, Too tight or too loose. 2. LCD flex cable not connect with phone. 3. The battery adapter is not original or other reasons. No matter what problems you encountered, please fell free to contact us, we wil try our best to help you. Package includes: - 1 x Battery - 1x Pentalobe Screwdriver - 1x Y-Shaped Screwdriver - 1x Cross Screwdriver - 1x Triangle Opening Pick - 1 x Wedge - 1 x Tweezers - 1 x Suction Cup - 1 x Ejection Pin - 1 x Adhesive Strips - 1 x Battery waterproof glue