My vivo v9 has a serious white spot on the back body because of small particles when I use a phone with cover and it looks ugly So I decided to remove them and make my cellphone looking good again.
Step 1: All You Need for This Repair
1 microfiber cloth
1 soft car polishing wax
Step 2: Apply Soft Car Polishing Wax
Apply soft car wax and wait around ten minutes and rubbing it with a microfiber cloth
Do it several times until you satisfied with the result, See video for the progress and prove!!!