English-Letter is printed on the edge of glass. Package Content: 1 * Samsung Gear S3 Frontier Back Rear Glass Cover Case with Adhesive ; 1 * Universal Tool Kit .
We will not be responsible for any damages to your device that you may cause during the changing of replacement parts . But you can search the keyword " How to replace Samsung Gear S3 Back Glass Lens " from youtube ; Here is related replacing-video : https://youtu.be/2rwzSp8GcHY .
Tips : To install it, please remove the old glass sticker (the rubbery sticky thing that is probably still in the ridge) and clean up with isopropanol/rubbing alcohol . Then apply the new glass sticker and place the new glass lens on top .