Samsung Galaxy Z Fold4 Notes On Usage page 40

• Do not use or store the product in a bathroom,
kitchen or other highly humid areas for a prolonged
period.
• There may be some water remaining on the
product even after draining it. The product can be
used normally, but remember to keep it away from
objects you do not wish to get wet. Also be careful
as your clothes, bag, etc. may get wet from the
water remaining on the product.
• You need to perform draining if water accumulates
in the speaker, etc., temporarily making it harder
to hear the sound.
• The product is not resistant to water pressure.
Do not directly apply high water pressure to or
immerse the product for a prolonged period.
• Do not wash the product using a washing machine
or ultrasound cleaner.
• Do not immerse the product in a bathtub. The
product is not heat resistant.
• Abrupt temperature changes may cause
condensation to form and may result in
malfunctions. Wait for the product to reach normal
temperature when taking it into a warm bathroom,
etc. from cold areas.
• The product does not float in water.
• Do not charge the product in the bathroom.
For details, please refer to the " 取扱説明書 詳細版
(Full Instruction Manual)" (Japanese).
38
Notes on Usage