Friendskart Back Camera Lens Glass Protector for OnePlus 7T  (Pack of: 1)

First of all it is very important that you clean and remove dust your phone before placing the glass. In the package you should have received the glass &1 wet and 1 dry wipe. Open the dry wipe while looking for the smallest dust particles remove. Carefully remove the glass from the protective sleeve. Place your phone with its freshly cleaned screen directly in front of you laying horizontally. Pull the tab at the top on the glass slowly to remove the clear protective sleeve from the screen guard. After you have fully placed the tempered glass one the phone you will see quickly that the glass will do the work and adhere to the screen of the phone.