I cant update via FOTA, i have 4.4.2 H-1-01, k920_row_s130_140923

I cant update via FOTA,
i have 4.4.2 H-1-01, k920_row_s130_140923

thE PHONE say i have the newest version.
Please help me for a easy Flash update.

I cant boot into bootloader (push and lock volume up+power button) for 4-7 seconds.
I done the unlock bootloader.