text: There are two types of residue that needs to be cleaned off of your screen. If you are cleaning off...\n1. Dry dust and fingerprints, you need to go buy a soft cloth made for cleaning LCD screens and/or camera lens. These cloth ensure that you do not scratch the screen and do not smudge the fingerprints. \n\n2. Dried up liquids/other residue, you will need to also get one of those soft cloths but you will also need to buy a lens cleaner solution. These kits are usually under 10 bucks and can be found where most cameras are sold.