Content owners may use different types of digital rights management (DRM) technologies to protect their intellectual property,including copyrights. This device uses various types of DRM software to access DRM-protected content. With this device you canaccess content protected with WM DRM 10 and OMA DRM 2.0. If certain DRM software fails to protect the content, content ownersmay ask that such DRM software's ability to access new DRM-protected content be revoked. Revocation may also prevent renewalof such DRM-protected content already in your device. Revocation of such DRM software does not affect the use of contentprotected with other types of DRM or the use of non-DRM-protected content.Digital rights management (DRM) protected content comes with an associated licence that defines your rights to use the content.If your device has OMA DRM-protected content, to back up both the licences and the content, use the backup feature of NokiaOvi Suite.Other transfer methods may not transfer the licences which need to be restored with the content for you to be able to continuethe use of OMA DRM-protected content after the device memory is formatted. You may also need to restore the licences in casethe files on your device get corrupted.If your device has WMDRM-protected content, both the licences and the content will be lost if the device memory is formatted.You may also lose the licences and the content if the files on your device get corrupted. Losing the licences or the content maylimit your ability to use the same content on your device again. For more information, contact your service provider.Some licences may be connected to a specific SIM card, and the protected content can be accessed only if the SIM card is insertedin the device.Batteries and chargersBattery and charger informationYour device has an internal, non-removable, rechargeable battery. Do not attempt to remove the battery, as you may damagethe device. To replace the battery, take the device to the nearest authorised service facility.This device is intended for use when supplied with power from the following chargers: AC-10. The exact Nokia charger modelnumber may vary depending on the plug type, identified by E, X, AR, U, A, C, K, or B.The battery can be charged and discharged hundreds of times, but it will eventually wear out. When the talk and standby timesare noticeably shorter than normal, to replace the battery, take the device to the nearest authorised service facility.Important: Talk and standby times are estimates only. Actual times are affected by, for example, network conditions,device settings, features being used, battery condition, and temperature.Battery safetyNote: The battery in your device is non-removable, so refer to the battery-related statements as applicable to yourdevice.When you unplug a charger or an accessory, hold and pull the plug, not the cord.When your charger is not in use, unplug it from the electrical plug and the device. Do not leave a fully charged battery connectedto a charger, as overcharging may shorten the battery’s lifetime. If left unused, a fully charged battery will lose its charge overtime.Always keep the battery between 15°C and 25°C (59°F and 77°F). Extreme temperatures reduce the capacity and lifetime of thebattery. A device with a hot or cold battery may not work temporarily.Accidental short-circuiting can happen when a metallic object touches the metal strips on the battery. Short-circuiting maydamage the battery or the connecting object.Product and safety information 131