samsung note 4 sm-N910F flash failed


hi

i tried to flash 910f note 4 but flash is failed.

SW Change
6/1/2017
8:32:16
PM

SW Change
6/1/2017
8:26:57
PM

SW Change
6/1/2017
7:34:14
PM

SW Change
6/1/2017
5:25:53
PM

SW Change
5/31/2017
1:18:48
PM

[Firmware update started]

Checking firmware presence…
Firmware version: N910FXXS1DQD4/N910FVFR1DQC3/N910FXXS1DQA3/N910FXXS1DQD4
Firmware version friendly name: Marshmallow(Android 6.0.1)

Checking firmware files…
Selected model: SM-N910F

Extracting firmware…
Unzipping firmware: N910FXXS1DQD4_N910FVFR1DQC3_N910FXXS1DQA3_HOME.tar .md5.

Processing firmware…

Flashing firmware…
Waiting for download mode.
Connecting.
Reading PIT.
Checking firmware compatibility.
Skip firmware compatibility checking.
Flashing aboot.mbn
Flashing sbl1.mbn
Flashing rpm.mbn
Flashing tz.mbn
Flashing sdi.mbn
Flashing NON-HLOS.bin
Flashing boot.img
Flashing recovery.img
Flashing system.img.ext4
Firmware flash failed.
Finished at local time: [06.01.17 17:06:34]
WorkID: 21897530

i tried to dl other firmware also the result is same.

any sugesstions please.

regards