HELP ME vivo y15 hang on logo dont finish flash

[nonoy100]

FLASH Initializing usb... OK
Waiting for device... COM7 [BOOTROM:0E8D:0003]
Bypassing authentication... OK
Analyzing... FAIL
Handshaking... OK
Reading hardware info... OK
Hardware : MT6765 [Helio G25|G35|P35] 0766 8A00 CA00 0000
Security Config : SCB SLA DAA
MEID : 52C97545BAB40F46AC50E36604721AB3
Sending Download-Agent... OK
Syncing with target... FAIL
Failed to send command: 0x10100! Error : 0xFFFF
UNLOCKTOOL 2023.03.24.0
Elapsed time : 1 minute 15 seconds

 

[Gizmobile]

Nag try kana ibang firmware?

 

[activa2r]

try testpoint DAT0..

post result..