N910c just samsung restart flashing fail rooting done..

Here 1 n910c phone restart when me flash downloaded diffrent file from sammobile its fail than root it via kernal recovery and super user zip all done but restart than me get its 3 file all file writting but when me write boot file its just half write and fail what problem what me do next if its solution via emmc than what me do next pinouts etc guide me mr blang here is 2 pcs for testing