Section 20138 Knowing Performance and Safety GuidelinesLess than one month:32º F to 131º F (0º C to 55º C)More than one month:32º F to 104º F (0º C to 40º C)Disposal of Lithium Ion (LiIon) BatteriesNote:For safety, do not handle adamaged or leaking LiIonbattery.For safe disposal options of your LiIon batteries, contactyour nearest Sprint PCS-authorized service center.Special Note: Be sure to dispose of your battery properly.In some areas, the disposal of batteries in household orbusiness trash may be prohibited.Acknowledging Special Precautions and FCCFCC NoticeThe phone may cause TV or radio interference if used inclose proximity to receiving equipment. The FCC canrequire you to stop using the phone if such interferencecannot be eliminated.Vehicles using liquefied petroleum gas (such as propane orbutane) must comply with the National Fire ProtectionStandard (NFPA-58). For a copy of this standard, contactthe National Fire Protection Association, One BatterymarchPark, Quincy, MA 02269, Attn: Publication Sales Division.CautionsAny changes or modifications to your phone not expresslyapproved in this document could void your warranty forthis equipment, and void your authority to operate thisequipment. Only use approved batteries, antennas andchargers. The use of any unauthorized accessories may bedangerous and void the phone warranty if said accessoriescause damage or a defect to the phone.Although your phone is quite sturdy, it is a complex piece ofequipment and can be broken. Avoid dropping, hitting,bending or sitting on it.