V VeraP Junior Member Mar 2, 2020 11 2 Mar 6, 2020 #1 Once I saw a sticker glued on the phone which lightened before a call was received? does anybody know what those stickers are called and how they work?
Once I saw a sticker glued on the phone which lightened before a call was received? does anybody know what those stickers are called and how they work?
