Health and Safety 173• t’s best to replace the battery when it no longer provides acceptableperformance. When used correctly, the battery can be rechargedhundreds of times before it needs replacing.• Don’t store the battery in high temperature areas for long periods oftime. It’s best to follow these storage rules:– Less than one month:-4º F to 140º F (-20º C to 60º C)– More than one month:-4º F to 113º F (-20º C to 45º C)Disposal of Lithium Ion (LiIon) BatteriesFor safe disposal options of your LiIon batteries, contact yournearest service center.Special Note: Be sure to dispose of your battery properly. Insome areas, the disposal of batteries in household or businesstrash may be prohibited.Note: For safety, do not handle a damaged or leaking LiIonbattery.Acknowledging Special Precautionsand Industry Canada NoticeCautionsAny changes or modifications to your phone not expresslyapproved in this document could void your warranty for thisequipment, and void your authority to operate this equipment.Only use approved batteries, antennas, and chargers. Theuse of any unauthorized accessories may be dangerous andvoid the phone warranty if said accessories cause damage ora 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.Information to UserThis equipment has been tested and found to comply with thelimits of a Class B digital device. These limits are designed toprovide reasonable protection against harmful interference ina residential installation. This equipment generates, uses, andcan radiate radio frequency energy and, if not installed andused in accordance with the instructions, may cause harmfulinterference to radio communications. However, there is noguarantee that interference will not occur in a particular