samsung n910a Writing Firmware Failed

Welcome to Octoplus/Octopus Box Samsung software version 2.2.0
Selected firmware file: n910aucu2doi2_n910aatt2doi2_att_android_
5.1.1.oct
Please put the phone into Download Mode and connect USB cable.
To put SM-N910A into Download Mode, You have to perform the
following steps:
1. Reconnect the battery.
2. Press and hold "Volume-" + "Home" + "Power ON" keys.
3. When phone turns on, press "Volume+" key.
Found phone on
Firmware write started.
Writing ABOOT section…
ABOOT section has been written successfully.
Writing SBL1 section…
SBL1 section has been written successfully.
Writing RPM section…
RPM section has been written successfully.
Writing TZ section…
TZ section has been written successfully.
Writing DBI section…
DBI section has been written successfully.
Writing Firmware Failed