Light scratches on a phone’s back cover are mostly cosmetic, and there are a few safe ways to reduce their visibility — but it’s worth knowing what actually works versus what risks making things worse.
Glass backs, aluminum, and plastic each respond differently to scratch-removal methods, and what’s safe on one can damage another. Identify your phone’s back material before trying anything — most modern iPhones and premium Android phones use glass, while some budget and mid-range phones use plastic or aluminum.
For very light surface scratches on glass, a small amount of dedicated glass polish (not general metal or plastic polish) applied with a microfiber cloth in small circular motions can reduce visibility. Test on a small, inconspicuous area first in case the finish reacts differently than expected.
A common DIY tip involves a thick paste of baking soda and water rubbed gently over the scratch. This can help with very light surface marks on glass but is abrasive enough to make matte finishes noticeably worse — skip this entirely on textured or matte-back phones.
If you can feel the scratch with a fingernail, it’s gone past the surface coating and into the material itself. No polish or paste will actually remove it, only reduce how much it catches the light at certain angles.
For phones with noticeable scratching, a quality skin or case covers the damage going forward and prevents new scratches from accumulating. This is usually more practical — and cheaper — than trying to remove existing scratches, and it buys time before you need a full back glass replacement.
Cracks are a different issue entirely from scratches — a cracked back glass compromises the phone’s structural seal and can affect wireless charging. That’s a repair job, not a polishing job, and it’s worth getting looked at before the crack spreads or lets moisture in.
Want your phone checked out? Visit your nearest CellPros — Ashlan Ave, Peach & Kings Canyon, or Tower District — for a diagnostic and same-day service on most repairs. Contact us to book.