http://www.infinity-box.com/download...d_producer=111
04 Apr 2006: T-Module v1.00
. O2X7 sp-unlock/flash write/flash read
For unlock flash your phone with flash file:
o2x7_Main_SP710_17.04.04_DE_Prepaid_En_De_Unlock
Flash files located in support area "Vitel" section.