Sony Xperia1 IV User Manual page 273

For water resistance/dustproofing, see "Water Resistance/Dustproofing."
Do not charge when handset or related accessory is wet with liquids such as water (drinking
water, sweat, sea water, urine of pets, etc.) Do not charge where handset can come in contact
with water, such as a bath room or near a humidifier.
May cause fire, burns, injury, electric shock, etc.
For water resistance, see "Water Resistance/Dustproofing."
Do not subject handset to excessive force or break it. Especially when carrying it in your
pocket, do not hit it or press it between other objects.
Internal Battery breakage may cause fire, burns, injury, etc.
* Take additional care in instances such as the following:
・Sitting or squatting with the product in your pants or skirt pocket
・The product becoming caught in a sliding door or vehicle door when in a jacket pocket
・Stepping on the product when it is on something soft such as a sofa, bed, or futon or on the floor
・Getting the product caught in the seat on a train or bus
Do not disassemble, modify, or solder.
May cause fire, burns, injury, electric shock, etc.
Do not try to remove Internal Battery.
May cause fire, burns, injury, etc.
Back Cover on handset is not removable. Do not try to remove.
May cause fire, burns, injury, etc.
Do not allow handset or related accessory to get wet with liquids such as water (drinking
water, sweat, sea water, urine of pets, etc.)
May cause fire, burns, injury, electric shock, etc.
For water resistance, see "Water Resistance/Dustproofing."
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Safety Precautions