10 Copyright © 2004 Nokia4 SIM card and batteryBefore you begin, you need to prepare your phone by installing the SIM card andcharging the battery. This chapter covers these topics, as well as instructions onhow to attach the optional headset.• SIM CARD INSTALLATIONWarning: Keep all SIM cards out of the reach of small children. For availabilityand information on using SIM card services, contact your SIM card vendor. Thismay be the service provider, network operator, or other vendor.Remove the back coverand battery1 With the back of the phone facingyou, push the back cover releasebutton.2 Slide and lift the bottom of theback cover to remove.3 After you have removed the backcover, insert your finger into thefinger grip and lift the battery fromits compartment.