Phone Z550i by Sony Ericsson is made in clamshell shape. Phone dimensions: width — 45 millimeters, height — 88 millimeters, thickness — 21 millimeters. Weight — 93 grams.
Diagonal of the color screen is 1.88 inches with a maximum screen resolution of 220x176 and 150 pixels per inch (PPI).
Sony Ericsson Z550i runs on 1-core processor. The phone has a slot for a memory card.
Capacity of Li-polymer battery is 750 mA⋅h, this is approximately 320 hours of standby time and 5.5 hours of talk time.
The phone is also equipped with sensors of. This gives additional functionality to the phone in various applications.
Sony Ericsson Z550i was presented to the public on May 18, 2006.