Digital rights managementContent owners may use different types of digital rightsmanagement (DRM) technologies to protect theirintellectual property, including copyrights. This deviceuses various types of DRM software to access DRM-protected content. With this device you can access contentprotected with WMDRM 10, OMA DRM 1.0, OMA DRM 1.0forward lock, and OMA DRM 2.0. If certain DRM softwarefails to protect the content, content owners may ask thatsuch DRM software's ability to access new DRM-protectedcontent be revoked. Revocation may also prevent renewalof such DRM-protected content already in your device.Revocation of such DRM software does not affect the useof content protected with other types of DRM or the use ofnon-DRM-protected content.Digital rights management (DRM) protected contentcomes with an associated licence that defines your rightsto use the content.If your device has OMA DRM-protected content, to back upboth the licence and the content, use the backup featureof Nokia PC Suite.Other transfer methods may not transfer the licence whichneed to be restored with the content for you to be able tocontinue the use of OMA DRM-protected content after thedevice memory is formatted. You may also need to restorethe licence in case the files on your device get corrupted.If your device has WMDRM-protected content, both thelicence and the content will be lost if the device memoryis formatted. You may also lose the licence and the contentif the files on your device get corrupted. Losing the licenceor the content may limit your ability to use the samecontent on your device again. For more information,contact your service provider.Some licence may be connected to a specific SIM card, andthe protected content can be accessed only if the SIM cardis inserted in the device.AccessoriesWarning:Use only batteries, chargers, and accessories approved byNokia for use with this particular model. The use of anyother types may invalidate any approval or warranty, andmay be dangerous. In particular, use of unapprovedchargers or batteries may present a risk of fire, explosion,leakage, or other hazard.For availability of approved accessories, please check withyour dealer. When you disconnect the power cord of anyaccessory, grasp and pull the plug, not the cord.BatteryBattery and charger informationYour device is powered by a rechargeable battery. Thebattery intended for use with this device is BL-4S. Nokiamay make additional battery models available for thisdevice. This device is intended for use when supplied withpower from the following chargers: AC-8. The exactcharger model number may vary depending on the typeof plug. The plug variant is identified by one of thefollowing: E, EB, X, AR, U, A, C, K, or UB.The battery can be charged and discharged hundreds oftimes, but it will eventually wear out. When the talk andstandby times are noticeably shorter than normal, replacethe battery. Use only Nokia approved batteries, andrecharge your battery only with Nokia approved chargersdesignated for this device.If a battery is being used for the first time or if the batteryhas not been used for a prolonged period, it may benecessary to connect the charger, then disconnect andDigital rights management 67www.nokia.com/support