62■ Talk and standby timesTalk time (ECTEL): up to 3 hoursStandby time (ECTEL): up to 300 hoursImportant: Battery talk and standby times are estimatesonly and depend on signal strength, network conditions,features used, battery age and condition, temperatures towhich battery is exposed, use in digital mode, and manyother factors. The amount of time a device is used forcalls will affect its standby time. Likewise, the amountof time that the device is turned on and in the standbymode will affect its talk time.■ Nokia battery authentication guidelinesAlways use original Nokia batteries for your safety. To check thatyou are getting an original Nokia battery, purchase it from anauthorized Nokia dealer, look for the Nokia Original Enhancementslogo on the packaging, and inspect the hologram label using thefollowing steps:Successful completion of the steps is not a total assurance of theauthenticity of the battery. If you have any reason to believe thatyour battery is not an authentic, original Nokia battery, youshould refrain from using it, and take it to the nearest authorizedNokia service point or dealer for assistance. Your authorized Nokiaservice point or dealer will inspect the battery for authenticity.