iphone 4 7.1.2 disabled not working with mfc what the problem

iphone 4 7.1.2 disabled not working with mfc

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what the problem

i have iphone 4 disabled 7.1.2 but i can t connect it with mfc dongle

[info] > Reading ...
[data] > FWVersion is 46
[done] > Latest guess was 0000 format FFFF settings 02 delay 5000
[sett] Extra area:
00 01 02 03 04 05 06 07 08 09 FF FF FF FF FF FF
[sett] > settings 02 format FFFF delay 5000ms
[sett] > Latest Guess at index 1 = 0000
[data] > (001,0000)
[done] OK

i tried every mode not working