Samsung GT-I9250M Quick Start Guide - Page 7

Charge the battery Before using the device for the first time, you must charge the battery. Use only Samsung-approved chargers and cables. Unauthorised chargers or cables can cause batteries to explode or damage your device. If the battery is completely discharged, you cannot turn on the device, even with the travel adapter connected. Allow a depleted battery to charge for a few minutes before you try to turn on the device. 1. Plug the small end of the travel adapter into the multifunction jack. Connecting the travel adapter improperly may cause serious damage to the device. Any damage caused by misuse is not covered by the warranty. 7