Questions about Mocolo 3D Full Screen protection glass

I installed this product on my Huawei P30 lite. But it's too small, it doesn't cover the whole screen and the black border covers my screen which results in less display! I think the glass in the box was the wrong one. The box I received is: For Huawei P30 lite HW4154 3D Black My phone is Huawei P30 lite - MAR-LX1A