Revocation may also prevent renewal of such DRM-protected content already in your device. Revocation of such DRMsoftware does not affect the use of content protected 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 thecontent.If your device has OMA DRM-protected content, to back up both the licences and the content, use the backup feature ofNokia Suite.Other transfer methods may not transfer the licences which need to be restored with the content for you to be able tocontinue the use of OMA DRM-protected content after the device memory is formatted. You may also need to restore thelicences if the files 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 isinserted in the device.Batteries and chargersBattery and charger infoYour device is intended for use with a BL-5K rechargeable battery. Nokia may make additional battery models available forthis device. 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 battery can be charged and discharged hundreds of times, but it will eventually wear out. When the talk and standbytimes are 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 unplug the charger before removing the battery. 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 batteryconnected to a charger, as overcharging may shorten the battery’s lifetime. If left unused, a fully charged battery will loseits charge over time.Always keep the battery between 15°C and 25°C (59°F and 77°F). Extreme temperatures reduce the capacity and lifetimeof the battery. 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 youcarry a 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 liquidtouch skin or eyes. If this happens, immediately flush the affected areas with water, or seek medical help.Do not modify, remanufacture, attempt to insert foreign objects into the battery, or immerse or expose it to water or otherliquids. Batteries may explode if damaged.Use the battery and charger for their intended purposes only. Improper use, or use of unapproved batteries or incompatiblechargers may present a risk of fire, explosion, or other hazard, and may invalidate any approval or warranty. If you believe130 Product and safety information