i bought a samsung galaxy s plus gt-i9001 on january..
but recently someone told me its ap set...
is there any ways to differentiate it？

IMEI : 351722050099690
S/N : RF1C10R8Y0A
FCC ID : A3LGTi9001

i've tried on typing *#06# and the number i got was the same with my IMEI code
then i tried on typing *#1234# and here's what i got

PDA : I9001XXKPU
PHONE : I9001XXKPH
CSC : I90010XAKP1
Build Info : Thu Dec 1 11:36:50 KST 2011
can anyone teach me how to check？