REFERENCE Zte 431 unlock done by sigma box...

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Zte 431 unlock done by sigma box...

Ito Picture:










Tools and Procedure

Sigma BOx
c1-01 usb cable
install driver in phone
choose qualcomm mode in sigmabox
and click direct unlock



Unlock Done:













Log:




SigmaKey 1.28.02
743049410 Sigma dongle 1.30, Initializing...OK
SigmaKey 1.28.02 Qcom: Direct unlock
ZTE Handset Diagnostic Interface (COM17), Provider: ZTE Corporation, Driver ver.: 5.2066.1.9, Date: 6/1/2011
Version: ATT_AM_P671A90V1.0.0B22-S, 1.7.
Firmware: ATT_AM_P671A90V1.0.0B22-S
Date: Sep 20 2012 10:39:41, Feb 02 2012 18:00:00, KPSZL
IMEI: 863487011616039
Bluetooth address: 418D4A2F8B6C
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\Administrator\My Documents\SigmaKey\security backup\863487011616039_ATT_AM_P671A90V1_0_0B22-S.skb"
Unlocking phone...Done
Restarting phone...Done


Picture here:

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