Not included installation instruction, Not Recommend to install it without any experience. Can't accept the return screen which installation attempt has been made. Please Test the item well Before you install it onto the phome. If the testing result is Not good, please do Not install this screen onto the phone! If the testing result is good, then do the installation. Please be very careful when handling it, because the seller can't be responsible for the improper installation. Packed well , All items are tested well before dispatch. Compatibility Compatible Only with for Samsung Galaxy Z Fold 3 5G SM-F926 F926U.