The huge face is 6 inches wide and covered with 57 high pressure jets. (geekwrapped.com)
Provided that all ports and covers are firmly closed, the phone is (i) protected against low pressure jets of water from all practicable directions in compliance with IP55; and / or (ii) can be kept under 1.5 m of freshwater for up to 30 minutes in compliance with IP58. (sonymobile.com)
These include using a steam cleaning machine with a chewing gum solvent remover, applying ice to turn the chewing gum rigid before peeling it off, and high pressure jet washing. (educationbusinessuk.net)