EMT EMT Tool Team Need Help for Xiaomi K30 5G (Picasso) Sideload Downgrade

[moonmoon8]

Hi EME GSM Team,
help me to solve my issue
i have Xiaomi Picasso K30 5G model with Find My Phone ON
the MIUI 13.0.3 version installed, now i want to bypass icloud
but it always failed with EMT Tool

Here is LOG:


Operation: Downgrade Firmware
Selected Model: PICASSO
Platform: XIAOMI

Restart ADB: ...
-----------------------
Sideload: Recovery mode, Select "Connect MiAssistant", Connect USB Cable
-----------------------
Waiting for SIDELOAD connect: ... OK
Port: [SIDELOAD] 51eXXXXX
Reading information ...
Code name: picasso
Model name: Redmi K30 5G
SW version: V13.0.3.0.SGICNXM
Android version: 12
Serial number: 0xbb5xxxxx
ExtInfo: CN,zh,F,1
Starting tasks ...
Reading security data ... OK
Lookup downgrade firmware ... OK
MIUI version: V12.5.9.0.RGICNXM
Android version: 11.0
MD5: f6a8f5350a2a7c67f6dcc57db7a421bf
Checking payment interface ...
Connecting to server ... OK
Checking need payment ... YES
Checking account status ... OK
Freeze Credits ... OK
Factory Reset ... OK
Getting firmware ... OK
----------------------------
https://ultimateota.d.miui.com/V12....1738654330&s=d0de79f37a7eb7f26aed8d9d5850d801
----------------------------
Getting signature ... Failed
Return Credits ... OK

Operation: Finished

Please guide me what to do or ...
Do you have some IM portal to come into my PC and solve this issue?