My first ZTE 431 unlock success with Sigma Key:
SigmaKey 1.29.02
827532538 Sigma dongle 1.31, Initializing...OK
--- 2013-10-03 19:09:49 ---
SigmaKey 1.29.02 Qcom: Direct unlock
ZTE Handset Diagnostic Interface (COM46), Provider: ZTE Corporation, Driver ver.: 5.2066.1.9, Date: 06/02/2011, USB\Vid_19d2&Pid_0010&Rev_0000&MI_01
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: 861831001591268
Bluetooth address: BB4FC6CFE034
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 "E:\DATA\Dokumentet e mia 01.09.2004\SigmaKey\security backup\861831001591268_ATT_AM_P671A90V1_0_0B17-S.skb"
Unlocking phone...Done
Restarting phone...Done |