129Storing your phoneYou must not store or carry your phone, its parts, or accessories in the samecompartment or other area where there flammable liquids, gases, or explosiveor flammable materials.CautionsAny changes or modifications to your phone not expressly approved in thisdocument could void your warranty for this equipment and void your authorityto operate this equipment.Only use approved batteries, antennas, and chargers. The use of anyunauthorized accessories may be dangerous and will invalidate the phonewarranty if said accessories cause damage or a defect to the phone.Although your phone is quite sturdy, it is a complex piece of hardware and canbe broken. Use common-sense guidelines to avoid dropping, hitting, bending,or sitting on it.