n910t error write cert help

Read Info/Flashing/UserLock/Backup:
Cables: MicroUSB
Interface: Auto

Scanning devices … 1 found
Manufactory: SAMSUNG
Model: SM-N910T
Hardware: QCOM
Mode: normal
Bypass MSL … done

Time used : 14.9 s

Connect to device …
Device Authentication … 1 failed with MSL
Bypass MSL … This operation need QCDI interface, setting phone as "Help" tips and connect phone with USB cable.