Unlocking error AT&T Z222 , firmware not supported. Please help

[fiftypizza]

Hi, this is the error i am getting, please help

selection :
manufacturer - ZTE phones
model - Auto detect (recommended)

Found Applications port COM10
Found Diagnostics port COM11

Found Phone : Z222
Model : ZTE Z222
IMEI : XXXXXXXXXXXXXXX
Firmware : ATT_AM_P671B41V1.0.0B13-S
Compile date / time : Mar 28 2014 08:52:31
Chipset : Qualcomm QSC6240
User Lock Code : 0000

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Check account status

User : -----------
Password : OK !
Credits left : 4

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Unlocking, please wait ...

Firmware not supported !

Error code 46

Please contact DC-unlocker Live Support.

unlock failed !


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[Vincentas]

Please contact us by live chat. We would need some additional information form you and hope will be able to unlock your phone.