i have s5230 virgin media. it is country locked .
i tried codes but the sp cp network enable codes work but disable one's when commanded gives error. so i tried to flash the software using multiloader v5.62
firmware S5230XXIE7_PL.
the phone had some bvII firmware in it.
when i flashed it "security failure".
the phone is black screen nothing anybody tell me what is the problem and solution.....
nothing working....

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