25Contents/PrecautionsTo avoid water ingress, be sure to observe thefollowing points.Do not throw any liquid other than roomtemperature tap water on the terminal, orsoak it in such liquid.Firmly close the microUSB jack cover anddocomo nano UIM card/microSD card slotcover. Even a fine obstacle (one hair, one grainof sand, tiny fiber, etc.) put between contactsurfaces may allow water to enter.Do not poke the earpiece/speaker,microphone/speaker, second microphone,headset jack, or strap hole with a sharp object.Do not let the terminal fall. It may becomescratched causing the waterproof/dustproofperformance to degrade.The rubber gaskets on the inner side of themicroUSB jack cover and docomo nano UIMcard/microSD card slot cover play animportant role in keeping waterproof/dustproof performance. Do not remove ordamage them. Also, prevent dust fromadhering to them.Opening the microUSB jack cover anddocomo nano UIM card/microSD cardslot coverOpen the covers with your fingertip by thegrooves.To ensure waterproofness/dustproofnessmicroUSB jack cover docomo nano UIM card/microSD card slot coverGroove Groove