S5 mini (G800F) E:failed to mount / system (Invalid argument)

Hi, i need help for samsung S5 mini (G800F), i was trying to repair IMEI of this phone, but by mistake i selected G800H, and wiped efs, and now phone isn't turning on, it stays on samsung logo only.. i tried to wipe data/factory reset, and wipe cache partition as well, but nothing is helpful..

it shows error message,"E:failed to mount / system (Invalid argument) in red colour..

Please i need help to fix this problem.. thanks..

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