none 

Statements about this table:
4.3 widescreen be the screen size of the s45 (australia only) model with no bluetooth
model s30 have a screen size larger than the model s50
model s80 (australia & uk only) have a flash of 512 mb and do not have bluetooth
3 model have a screen size of 3.5: s30 , s45 (australia only) and s50
model
screen size
bluetooth
fm transmitter
flash
s30
3.5
no
no
256 mb
s35
3.5
no
no
1 gb
s45 (australia only)
4.3 widescreen
no
no
1 gb
model
screen size
bluetooth
fm transmitter
flash
s50
4.3 widescreen
dun + handsfree
no
512 mb
s80 (australia & uk only)
4.3 widescreen
dun + handsfree
no
512 mb
s90i
4.3 widescreen
dun + handsfree
no
2 gb