How To Remove Sticker Glue From Phone Case. Pull off a LONG length from the dispenser about 24-30 inches. Your hairdryer is a useful tool in removing glue residue from plastic.

You will need a thin blade thick film and isopropyl alcohol. You can do this with your finger or put the mayo on a clean lint-free cloth and wipe it onto the screen. Depends on what the case is made of as well as what kind of adhesive.
The edges of these items are hard but not too sharp.
Give mayonnaise a try to soften and remove the adhesive. In addition to the rubbing alcohol and cooking oil methods you can wipe the goo off rubber surfaces with essential oils. Carefully apply a very thin layer of mayo over the leftover glue on your screen. Give mayonnaise a try to soften and remove the adhesive.

