Originally Posted by Rereg
Biggest difference is the 800 is dual band gsm 1800/1900 and the 810i is tri band gsm 850/1800/1900.
Nope W800 is also TRI BAND
GSM 900 / GSM 1800 / GSM 1900
the 810i is Quad Adds in 850 for certain Cingular Towers
The W800 also has more internal memory, and better battery life than the w810i