s7275r ACE 3 LTE is posible to flash?

Noone try to flash it before. The phone repower alone during calling and hang on logo. I can turn on my pnone only in download mode.
On screen I can see:
product name GT-s7275r
Current binary: Samsung official
System status: official
Qualcomm secureboot: enable
Write protection: Enable

When i try to flash:


Operation: Flash
Selected model: GT-S7275R
Software version: 23.7

File analysis... OK
Total file size: 0x5A9EAD80 (1449 Mb)
Searching USB Flash Interface... detected COM40
Setup connection... error

Done with Samsung Tool PRO v.23.7

Of course I select nevest firmware.

When I try to flash by Odin, also can not estabish connection to start flashing.
What else can I do?
regards, Emilkawa