This screen is designed for Samsung Galaxy A52 SM-A525F SM-A525M LCD display, please carefully check your phone model before purchase. All the screens have passed through a series strict tests before shipping out and have been well-packed. The tools and two 3M adhesive tapes are included, no instructions, there're lots of instruction videos on YouTube, you can check them out. Need professional installation technology,We won't responsible for any damage due to improper operation. Please contact us if you have any questions, we will reply to you within 24 hrs. Abuse review or feedback will void the warranty, please contact us to resolve the issues you got with the product.