HELP ! Oppo F9 Downloading bootloader... STATUS_SEC_VIOLATE_ANTI_ROLLBACK [0xC002002D] error

[guile]

Hello Admin Please guide us here, tnx.

FLASH Selected Model : Oppo F9 [Testpoint]
Code Name : CPH1823
Operation : Auth Flash
Authenticating... OK
Retrieving data... OK [458.67 KiB]
Initializing data... OK
Connect test point then plug in cable!
Waiting for device... COM7
Connection : USB 1.0 High-Speed
USB Driver : [MediaTek Inc.] wdm_usb - Version : 3.2.0.0
Boot Mode : BOOTROM [0E8D:0003]
Connecting to BROM... OK
Sending DA... OK [193.89 KiB]
Syncing with DA... OK
HW Chip : MT6771 [6771] - HW Ver : 0xCA00 - SW Ver : 0x0000
Bootloader Ver : 0x00 - Secure Ver : 0x00
Internal RAM Size : 256 KiB
External RAM Size : 3 GiB
Storage : EMMC - CID : 484A0190.61384743.891FA534.B1A5BEAC
Boot1 : 4 MiB - Boot2 : 4 MiB - RPMB : 4 MiB - User Area : 58.24 GiB
Downloading bootloader... STATUS_SEC_VIOLATE_ANTI_ROLLBACK [0xC002002D]

UNLOCKTOOL v2021.07.23.0
Elapsed time : 52 seconds

 

[guile]

up this thread who have experience this?

 

[alyasher]

flash latest file

 

[TUnlockTool]

this mothed new flashing check here mtk universal , select file preloader and scatter

 

[guile]

flash latest file

Tnx for the reply.

 

[guile]

this mothed new flashing check here mtk universal , select file preloader and scatter
View attachment 2638

hello Admin you have tested file? please share with us. tia