Notice before installation (professional technician is required for installation), We strongly suggest that you test the received item before installation, please do not remove the protective film or labels during the test. The steps of the test are as follows: Test, connect the new screen well to the motherboard, make sure the battery is fully charged, and also make sure your motherboard is not broken, turn it on, test completed; if the test is good, install it carefully. Contact us the first time, and do not force the installation on your mobile phone, we cannot be held responsible for damage caused by improper installation. Return may waste time, please confirm your model and item type you are looking for. Thank you for your attention!