Error SM-A015

[turca]

This phone is ok work perfect, I need read backup only, after unlock frp, but no read

Open serial port...OK
Connecting to the RIFF Box...OK
Firmware Version: 1.54 (RIFFBOX1), JTAG Manager Version: 1.90
Selected Package: [Samsung A015V USB V1.06 by <legija>]

Connecting to the Device via USB Interface...OK
Serial Number: [C4618AC2], MSM H/W ID: [00200000/000BF0E1], PK HASH: [B9D0DD5F5A3A9494]
Uploading the USB Loader into Device Memory...ERROR
ERROR: Qualcomm HS-USB Device keeps silence.