[Windows Phone 8 General] ViktorA:
thanks for trying

same files downloaded by WDRT yes?

Result the same:

C:\Program Files\Microsoft Care Suite\Windows Device Recovery Tool>thor2 -mode emergency -hexfile MPRG8x26_fh.ede -edfile RM1072_fh.edp
THOR2 1.8.2.18
Built for Windows @ 13:36:46 Jun 16 2015
Thor2 is running on Windows of version 6.1
thor2 -mode emergency -hexfile MPRG8x26_fh.ede -edfile RM1072_fh.edp
Process started Wed Jun 15 14:23:13 2016
Logging to file C:\Users\USER\AppData\Local\Temp\thor2_win_20160615142313_ThreadId-4020.log
Debugging enabled for emergency

Initiating emergency download for RnD.
Create emergency messaging...
Create emergency messaging...END
Checking trace_usb...END
setHandshakeMessageStorageStatus...
setHandshakeMessageStorageStatus...END
Get connectionString...
Get connectionString...END
Open messaging...
Open messaging...END
Create EmergencyProgrammer V3..
Create EmergencyProgrammer V3..END
EMERGENCY FLASH START
Emergency Programmer V3 version 2015.03.09.001
ED download selected
Sahara image entries START
0x0D, MPRG8x26_fh.ede, true
Sahara image entries END
Starting Sahara emergency download
Entering state WAIT_HELLO
HELLO packet already received as handshake message
Erased stored HELLO packet
Sending HELLO_RESP
HELLO_RESP sent
Entering state WAIT_COMMAND
READ_DATA received
Opening image MPRG8x26_fh.ede
Image opened successfully
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
READ_DATA received
Sending RAW_DATA
RAW_DATA sent
END_IMAGE_TX received
END_IMAGE_TX with success status
Closing image MPRG8x26_fh.ede
Image closed successfully
Sending DONE
DONE sent
Entering state WAIT_DONE_RESP
DONE_RESP received
Stopped Sahara emergency download (status code = 0)
Emergency Programmer V3 version 2015.03.09.001
EDPAYLOAD download selected
Sending firehose single image
Waiting for Ed ready message, timeout 500 ms
Waiting for Ed ready message...DONE, status 0
Handling ed image RM1072_fh.edp to partition EMERGENCY Image opened successfully for reading
Payload tool:
Apr 4 2014 08:12:09 Version 000.000.003
Payload generation info:
Fri Jun 20 06:56:22 2014 SW_ID:00000000ffff0000H, KCI:1302, MSM_ID:008050E100000000H, RKH:C3430DDD2E4D6405DB388280A085298C32112D91H
Send signature
Message receive timeout!
Message send/receive failed with error code 85021
Failed to send signature!
Handling ed image ended with status 85021
EMERGENCY FLASH END
Emergency messaging closed successfully
Operation took about 43.00 seconds.

THOR2_EMERGENCYFLASHV1_ERROR_MSG_SEND_RECEIVE_FAILED

THOR2 1.8.2.18 exited with error code 85021 (0x14C1D)

this is stupid phone dos not want new bootloader,

locked maybe?

last data transfer before error:

Payload generation info:

Fri Jun 20 06:56:22 2014 SW_ID:00000000ffff0000H, KCI:1302, MSM_ID:008050E100000000H, RKH:C3430DDD2E4D6405DB388280A085298C32112D91H

Send signature

Message receive timeout!

wrong signature?

i know my phone was RM-1073 AT&T

then debranded and installed new firmware RM-1072,

then worked korrectly some time

there are possibilyty chek what signature he wants?