phone Unlock Code HELP!!!

[yoppoyyopp]

it is a Sony Ericsson k850i, DB3150


Hi, okai, now it shows the code:

**** Creation Date: 16/04/2009 ; Time: 19:02:51 ***
> Client Ver: 2.01
> User:
> User Data Window:

Hold 'C' or '@'-(PDA) or '2'-(W88x) or '2+5'(W760) or '6'(W350) key and plug DCU60 USB cable.
Phone Connected...
Detected: DB3150: A2 Series
Phone IMEI: 35182902-445646-6
Color: Red ; OTP CID: 52
EROM CID: 52
Phone Model: K850
Operator: AMERICA
CDA: 1201-0095 /
Phone Firmware: R1EA037
MCC+MNC: 302-072
NCK: - Unlocked - 10
NSCK: - Unlocked - 5
SPCK: - Unlocked - 5
CCK: - Unlocked - 5
PCK: - Unlocked - 5
ESL: - Unlocked - 5
Phone Code: MCC+MNC: 302-72
Phone Code lock state: - Asking when new SIM inserted.
EROM Version: 1200-4341 SEMCBOOT R6A008
All Done! - Time:00:00:00

*** Finish Time: 19:02:51 ***
It says that it is 302-72, HOWEVER IT DOES NOT WORK, NEED HELP. what can i do now?