Installation Precautions are kindly go with the installation in a clean surface to avoid the glue from drying without spreading well as sunlight might damage the process. Also, make sure to close the earpiece and the speaker grill with the guide stickers provided along the glass otherwise it may damage speakers or earpiece. This UV Tempered Glass screen protector can cover the whole screen and edge to edge. It will provide the full protection for your Mobile screen. Bubble-free installation only If you see an air bubble while the glue is spreading, push it gently to the corner with your finger and do not apply heavy pressure. This screen protector has a very high definition and maximum touch screen accuracy on the display. This tempered glass provides ultimate clarity.