A105F root steps please

i have fone with U3 firmware inside
i try with making boot and flash with EFT


Analyzing [C:/Users/spectre/Downloads/Compressed/A105FDDU3ASG2_A105FODM3ASG2_INS/RootedBoot.oEFT].....OK
Searching for Samsung ODIN protocol.....Detected {COM8}
Connecting to device.....OK
Device Model.....SM-A105F
Reading PIT.....OK
Flashing [recovery.img].....39 MB / 39 MB
Flashing [verified image].....256 Bytes / 256 Bytes
Rebooting device.....Failed
Operation ID: B6FEE327CBD689E8C206CEC5E6156729
Elapsed time 00:32 -- Version 1.3

please help

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