Sony Ericsson Z550i Features

This phone supports the same standards must be supported by the provider. Usually, the phone that supports GSM Dualband 900 and GSM 1800 networks means; tri-band GSM 900/1800/1900 general support means.
* Type of color or monochrome displays, which in turn can use alphanumeric graphics. Color display, STN, TFT, TFD, or can be OLED. Font size and animated graphic display, alphanumeric display to display, but the only constant, the size of the symbol can be displayed.
* Available formats: monophonic, polyphonic, WAV, MP3, and more. Several combinations of mobile phone ringtone format support.