[Xin giúp] bác nào check hộ e con này lock hay w với ah

[CNB_DRT]

Product Type : IPHONE 3GS 32GB WHITE
Device IMEI : 012157001774326
Serial Number : 88003G7A3NS
Coverage Status : Out of Warranty
Activated Date: 10/02/10
Last restore Date : 30/03/13
Warranty :
CTN : + 6597279901
Today : 21:52:28 10/04/2013
Firmware Version : 6.1.3
Carrier : Singapore SingTel.
Sim Lock Status : Unlocked