HELP ! Help for vivo v15 error erase frp ty :)

[testall]

[BROM] ERASE FRP Authenticating... OK
Initializing usb... OK
Waiting for device... COM4
Bypassing authentication... OK
Analyzing preloader... preloader_k65v1_32_bsp_2g_ago.bin [EMI:9] [Custom]
Handshaking... OK
Reading hardware info... OK
Hardware : MT6771 [Helio P60|P70] 0788 8A00 CA00 0000
Security Config : SCB SLA DAA
MEID : B994FE5EF9627A5603FE8B1B27692D5B
Sending Download-Agent... OK
Syncing with target... OK
Booting device... FAIL
Ext.RAM : Failed to init! Unknown error! Status code : 0xC0040050!
UNLOCKTOOL 2022.03.26.0
Elapsed time : 40 seconds

 

[clearvanz2022]

mine here an error

 

[..:: SONY ::..]

pm

mine here an error
View attachment 8822 View attachment 8822

pm

 

[cyriljames]

open unlock tool
click vivo
search vivo v15
click [BROM/ EDL]
click [BROM] FACTORY RESET + FRP

if you encounter again the problem... try this another method
select v11i
click factory reset
no boot key just insert the usb cable