1. It is recommended to charge iPhone for 8 hours before first use.
   
2. Charge using a power outlet:
   
   Connect iPhone to a power outlet using the included 30-pin to USB cable and power adapter.
   
3. Charge using PC:
   
   Connect iPhone to the computer using the included 30-pin to USB cable.
   Note: It's recommended to use a USB 2.0 port and have iTunes installed. The iPhone battery may drain instead of charge if iPhone is connected to a computer that's turned off, in sleep, or standby mode.
   
4. A charging icon in the upper-right corner of the screen will display the charging mode.
   Note: It's recommended to use a USB 2.0 port and have iTunes installed. The iPhone battery may drain instead of charge if iPhone is connected to a computer that's turned off, in sleep, or standby mode.
   
5. A low battery image will display if the battery is too low and may take up to 10 minutes before iPhone can be used.
   Note: If the battery is extremely low on power, the display may be blank for up to two minutes before one of the low-battery images appears.