Full Screen Huawei P40 Tempered Glass Screen Protector [Make sure to double check the model number and name of your device before ordering. These can be found in your device settings.] Full screen tempered glass screen protector for your smart phone or tablet. Protects your device from drops and impacts Has margins for phone cases Available in black and other specified colors Installation guide Step 1: Prepare Open the screen protector package and set everything up on a clean, uncluttered table.