Remove the phone from the case
Turn off the phone
Check the case material
Wipe off loose dust and dirt
Mix warm water with a small amount of mild soap
Dip a soft cloth or sponge into the soapy water
Wipe the case thoroughly
Use a soft toothbrush for corners and grooves
Rinse the case with clean water if the material allows
Dry the case completely with a lint-free cloth
Let the case air-dry fully before putting the phone back in
Use isopropyl alcohol on a cloth for extra disinfection if needed
Avoid bleach, harsh chemicals, and abrasive scrubbers
Clean the case regularly