-8-2.3 Technical specificationsPhoneDimensions (W×D×H):103.2*45.2*14.5Weight:with out battery 46 GramsLithium battery:NOkia 5CRated capacity: 650MahContinuous standby duration: (Relates to network status) 100 HoursContinuous conversation duration: (Relates to network status) 130 MinsPlease refer to their labels for other data related to the battery and the charger.3 Getting started3.1 Installing the SIM Cards and the BatteryAn SIM card carries useful information, including your mobile phone number, PIN (PersonalIdentification Number), PIN2, PUK (PIN Unlocking Key), PUK2 (PIN2 Unlocking Key), IMSI(International Mobile Subscriber Identity), network information, contacts data, and short messages data.Note:After powering off your mobile phone, wait for a few seconds before removing or inserting an SIM card.Exercise caution when operating an SIM card, as friction or bending will damage the SIM card.