44■ Talk and standby timesTalk time: up to 5.5 hoursStandby time: up to 300 hoursImportant: Battery talk and standby times are estimates only and depend on signalstrength, network conditions, features used, battery age and condition,temperatures to which battery is exposed, use in digital mode, and many otherfactors. The amount of time a device is used for calls will affect its standby time.Likewise, the amount of time that the device is turned on and in the standby modewill affect its talk time.■ Nokia battery authentication guidelinesAlways use original Nokia batteries for your safety. To check that you are getting an originalNokia battery, purchase it from an authorized Nokia dealer, and inspect the hologram labelusing the following steps:Successful completion of the steps is not a total assurance of the authenticity of the battery.If you have any reason to believe that your battery is not an authentic, original Nokia battery,you should refrain from using it, and take it to the nearest authorized Nokia service point ordealer for assistance. Your authorized Nokia service point or dealer will inspect the batteryfor authenticity. If authenticity cannot be verified, return the battery to the place of purchase.Authenticate hologram1. When you look at the hologram on the label, you should see theNokia connecting hands symbol from one angle and the NokiaOriginal Enhancements logo when looking from another angle.2. When you angle the hologram left, right, down and up, youshould see 1, 2, 3, and 4 dots on each side respectively.What if your battery is not authentic?If you cannot confirm that your Nokia battery with the hologram on the label is an authenticNokia battery, please do not use the battery. Take it to the nearest authorized Nokia servicepoint or dealer for assistance. The use of a battery that is not approved by the manufacturermay be dangerous and may result in poor performance and damage to your device and itsenhancements. It may also invalidate any approval or warranty applying to the device.