got it done
SigmaKey 1.15.04 Qcom: Direct unlock
ZTE Handset Diagnostics Interface (COM71), Provider: ZTE Corporation, Driver ver.: 1.2040.0.7, Date: 04/16/2007
Version: ATT_AM_P671A90V1.0.0B17-S, 1.4.
Firmware: ATT_AM_P671A90V1.0.0B17-S
Date: May 25 2012 17:27:30, Feb 02 2012 18:00:00, KPSZL
IMEI: 861831000614970
Bluetooth address: 0462D02F2848
Phone model: ZTE Z431
Detecting flash...HYNIX_H8BCS0SI0MBR, ID: 00AD00BA
Flash size: 256 Mb, page size: 2048
Reading security block...OK
Security area saved to "C:\Documents and Settings\user\My Documents\SigmaKey\security backup\861831000614970_ATT_AM_P671A90V1_0_0B17-S.skb"
Unlocking phone...Done
Restarting phone...Done