21 [ 104 ]Switch off your phone before boarding an aircraft. The use of wirelesstelephones in an aircraft may be dangerous to the operation of theaircraft, disrupt the wireless telephone network and may be illegal.Failure to observe these instructions could lead to the suspension or thedenial of telephone services to the offender, or it could result in legalaction, or both scenarios could apply.• EMERGENCY CALLSIMPORTANT: This phone, like any wireless phone, operates usingradio signals, wireless and landline networks and user-programmed functions. Because of this, connections in allconditions cannot be guaranteed. Therefore, you should never relysolely on any wireless phone for essential communications (forexample, medical emergencies).Remember, to make or receive any calls, the phone must be switched onand be used in a service area that has adequate radio signal strength.Emergency calls might not be possible on all wireless phone networks orwhen certain network services and/or phone features are in use. Checkwith local service providers.Always ensure that your phone is properly charged before attempting anyemergency calls. If you allow your battery to become empty, you will beunable to receive or make calls, including emergency calls. You must thenwait a few minutes after the charging begins to place any emergencycalls.Make an emergency call1 If the phone is not on, switch it on.2 Enter the emergency number for your present location (for example,911 or any other official emergency number—emergency numbersvary by location).3 Press .