You will need
  • charger;
  • - battery;
  • phone.
Read the manual of your phone. Special attention should be paid to the sections on the battery pack and methods of charging. A lot depends on the phone model and the battery type. For example, well-known acceleration method of a battery that is well suited for power supplies Nickel-metal hydride type (NiMH). For charging a new lithium-ion (Li-Ion) battery, it should be corrected.
To start fully discharge your new phone. Make it faster just by talking on it, playing with mobile toys, listening to music on it, using a camera or 3G Internet. Screen brightness make as much as possible, but focus primarily on the comfort of eyes. If you are the owner of a new smartphone, take advantage of this moment to study his features or download your required applications. The phone should begin to signal low battery and need to connect to the network. Some more work on it, avoiding disconnection. In most modern phones there is a charge state display battery percentage, you can focus on it.
Connect the charger cable to the phone and the "charger" switch on the AC network. To charge use the original charger, designed and manufactured specifically for your model phone. During charging, do not use the phone, and better to completely turn it off (try to follow this rule at least during the first three or four charge cycles). Charge the battery until the phone will signal about the end.
Disconnect the charger from the mains and disconnect it from the phone. You can continue charging for a short time, if your phone has Li-ion battery. In the case of Nickel-metal battery, leave the phone on charge for the next 12 hours or even a day, not paying attention to his signals. Can schedule charging so that it came at night.
Repeat the cycle of "discharge-charge" 3-4 times. In other words, three fully discharge the phone and then charge depending on the battery type. This procedure can be compared to training in which the battery goes into its operating power. Then use the phone for conventional scheme for you and enjoy the really long term of Autonomous operation.