Need help with Vivo 1812 y81i

Code:

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Operation : Identify [ v2.05 ]

1. Make sure device is powered off. Power off, if need. Wait 20 seconds after
2. Insert USB cable in phone
Waiting for device connection ...

PTFN : MTK USB Port (COM34)
MODE : BOOTROM
PORT : 34
Waiting BOOT ack ...
BROM : Skip ACK verify
BROM : Init BROM
BROM init passed!
    CHIP : MT6761 , SBID : 0x8A00 , HWVR : 0xCA01 , SWVR : 0x0200
    TYPE : MODERN RAPHAEL
BROM : SecLevel : 0x000000E5
BROM : SecMode  : SBC+SDA+ARB
BROM : BOOTROM
MODE : Vivo : Y83 | Manual : Disabled
BROM : ARB : ACTIVE : LOG : F0: 102B 0000  F3: 0000 0000 [0200]  V0: 0000 0000 [0001]
BROM : SOCID : CD11ACC0FEE1E015E27F6DFDD2DE472515460058681F6EE5830FB2E3FFFDFFB9
BROM : SLA
BROM : SLA Passed!
BROM : SLA CHLNG not used
AGENT : Look for suitable BootChain in DA ...
AGENT : MTK_AllInOne_DA_VIP.bin

AGENT : Selected AGENT doesn't have required configuration!
Check and select CORRECT SETTINGS for your device!

Reconnect Power/Cable!


Operation : Identify [ v2.05 ]

1. Make sure device is powered off. Power off, if need. Wait 20 seconds after
2. Insert USB cable in phone
Waiting for device connection ...

PTFN : MTK USB Port (COM34)
MODE : BOOTROM
PORT : 34
Waiting BOOT ack ...
BROM : Skip ACK verify
BROM : Init BROM
BROM init passed!
    CHIP : MT6761 , SBID : 0x8A00 , HWVR : 0xCA01 , SWVR : 0x0200
    TYPE : MODERN RAPHAEL
BROM : SecLevel : 0x000000E5
BROM : SecMode  : SBC+SDA+ARB
BROM : BOOTROM
MODE : Vivo : V5 | Manual : Enabled
BROM : ARB : ACTIVE : LOG : F0: 102B 0000  F3: 0000 0000 [0200]  V0: 0000 0000 [0001]
BROM : SOCID : CD11ACC0FEE1E015E27F6DFDD2DE472515460058681F6EE5830FB2E3FFFDFFB9
BROM : SLA

BROM  : Selected Auth/Cert not accepted by device!
Check previous message for more info!

Reconnect Power/Cable!

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