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 NokiaSuite.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 if thefiles on your device become corrupted.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 is intended for use with a BL-5K rechargeable battery. Nokia may make additional battery models available for thisdevice. Always use original Nokia batteries.This device is intended for use when supplied with power from the following chargers: AC-8, AC-15. The exact Nokia chargermodel number may vary depending on the plug type, identified by E, X, AR, U, A, C, K, B, or N. The charger model number canbe, for example, AC-15.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, replace the battery.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 safetyAlways switch the device off and disconnect the charger before removing the battery. When you unplug a charger or anaccessory, 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, for example, if you carrya spare battery in your pocket. Short-circuiting may damage the battery or the connecting object.Do not dispose of batteries in a fire as they may explode. Dispose of batteries according to local regulations. Recycle whenpossible. Do not dispose as household waste.Do not dismantle, cut, open, crush, bend, puncture, or shred cells or batteries. If a battery leaks, do not let battery liquid touchskin or eyes. If this happens, immediately flush the affected areas with water, or seek medical help.116 Product and safety information