[Windows Phone 8 General] PEPSIMANTR:
it failed

C:\Program Files (x86)\Microsoft Care Suite\Windows Device Recovery Tool>thor2.e
xe -mode rnd -bootflashapp
THOR2 1.8.2.18
Built for Windows @ 13:36:46 Jun 16 2015
Thor2 is running on Windows of version 6.2
thor2.exe -mode rnd -bootflashapp
Process started Fri May 08 13:17:07 2020
Logging to file C:\Users\OUZHAN~1\AppData\Local\Temp\thor2_win_20200508131707_Th
readId-4588.log
Initiating do RnD operations
WinUSB in use.
Debugging enabled for rnd

Detecting UEFI responder
Device is not in Lumia UEFI mode
Reading device mode failed
Detecting UEFI responder
Device is not in Lumia UEFI mode
Reading device mode failed

THOR2_ERROR_BOOT_TO_FLASH_APP_FAILED

THOR2 1.8.2.18 exited with error code 84002 (0x14822)

it also failed

C:\Program Files (x86)\Microsoft Care Suite\Windows Device Recovery Tool>thor2 -
mode emergency -hexfile "F:\lumia\MPRG8x26_fh.ede" -edfile "F:\lumia\RM1074_fh.e
dp" -orig_gpt
THOR2 1.8.2.18
Built for Windows @ 13:36:46 Jun 16 2015
Thor2 is running on Windows of version 6.2
thor2 -mode emergency -hexfile F:\lumia\MPRG8x26_fh.ede -edfile F:\lumia\RM1074_
fh.edp -orig_gpt
Process started Fri May 08 13:21:59 2020
Logging to file C:\Users\OUZHAN~1\AppData\Local\Temp\thor2_win_20200508132159_Th
readId-4632.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, F:\lumia\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 F:\lumia\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 F:\lumia\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 F:\lumia\RM1074_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:C3430DDD2E4D64
05DB388280A085298C32112D91H
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)

PS: emergency download always fails in "Send signature" is there a way for flashing without signature

PS2:tried with and without battery, both failed.

PS3:Thor2 sometimes stops working when trying -mode rnd -bootflashapp command