https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.amazon.com/Samsung-Galaxy-S21-Ultra-Positioning/dp/B08PYRXVBW&ved=2ahUKEwiA-6y12Z3vAhWiCjQIHaATCZAQFjAAegQIARAC&usg=AOvVaw1dmqjMlwRCCHuSqP5RQ6bh Install is perfect and easy and the reader works flawless its best film I've ever used