T999 4.3 unlock - BST Team!!

Hello,



I have been looking every where and i couldn't find an answer.

i can't unlock this phone, it always says : not supported modem firmware.



So i flashed the basband to 4.1.2 and now i have imei null and unkown baseband but still can't unlock with bst.



Can you please help? what are the steps?



the t999 with 4.1.2 can be unlocked without any problem.



Thanks

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