Power off the phone
Unplug all cables and accessories
Wipe the screen with a dry microfiber cloth
Use a slightly damp microfiber cloth with distilled water if needed
Wipe again with a dry microfiber cloth immediately
Use a small amount of 70% isopropyl alcohol on a microfiber cloth for stubborn spots
Avoid spraying liquid directly on the screen
Avoid paper towels, tissues, or abrasive cloths
Avoid harsh cleaners, ammonia, or bleach
Dry the phone completely before turning it back on
If moisture is under the screen, place the phone in a dry, ventilated area
Use silica gel packets if available
Seek professional repair if stains remain inside the display