Note: - Replacing/repairing old, broken, cracked, damaged, touch is not working, touch response issues,non-functioned for LCD screen. - We strongly suggest test the item received before installation, pls don't remove protective film or tags when testing; Test steps: 1. clean the flex cable of screen and the slot of the motherboard before test; 2. connect new screen to the motherboard tightly; 3. make sure battery was charged fully, and pls also make sure your motherboard is not broken; 4. Power on ,tested finished. Please be careful during the installation process. Any problems, please contact us in time. Do not force the installation. Thank you.