Step 1: Open a material map.
Step 2: Ctrl+J copy a layer.
Step 3: Filter-Blur-Gaussian Blur
Step 4: Gaussian blur value is 8.
Step 5: Add noise as soon as the filter has noise.
Step 6: Add noise, the value is 15.
Step 7: Filter-Filter Library
Step 8: Choose a glass value of 30/6/ 188.
Step 9: Use the Rectangular Marquee Tool.
Choose the part you want to know clearly.
Press Delete again to delete.
Step 10
Just use the text tool to add text behind the scenes. Making a mobile phone wallpaper is really crying. It's too atmospheric ~