use KL1 modem and then use it with Siyah or Speedmod kernel...
Checkrom is the best afaic... even many XDA users have the same opnion..
make sure u wipe date before flashing a new rom...
Checkrom with Vertumus ICS Ultimate theme is perfect...
is this phone avaiable in the market.. i heard Samsung have discontinued this devide..
need to buy a phone for my sis.. confused btwm this one and Lumia 800