Vivo Y21s frp problem

[0017B215A6]

Operation: Identify Device [ v2.42 ]
Platform: MTK SmartPhone - MT65/67/68/81/83/87 | Helio G/P/X
Mode: FLASH
PORT: BOTH [ B + P ]
[+] Read Deep info: PRL, HW, DEBUG
[+] Auto-EMI
[+] FireFly UNI-Proto
[+] Vendor-Specific Analyzer
[-] Local SLA
[-] Force BROM
Wait...

1. Power Off the device
2. Wait 20 seconds
3. Connect USB cable to device [remember Vol+ | Vol-]
Waiting for device connection...

PTFN: MediaTek PreLoader USB VCOM_V1632 (Android) (COM38)
MODE: PRELOADER PORT; PORT: 38
Waiting BOOT ack...
PRELOADER: ACK confirmed
BROM: Init...
Init passed
CHIP: MT6768 SBID: 0x8A00 HWVR: 0xCA00 SWVR: 0x0000 EVOL: 0x0000 HWC: 0x0707
CODE: Talbot
TYPE: MODERN [RAPHAEL]
BROM: Sec Level: 0x00000005 Mode: SBC+SDA
VER: 0xFF BL: 0x03 [PRELOADER PORT]
AGENT: AUTO: 0_base: base_v2216
[3365c4d2] C:\InfinityBox\CM2MT2\boot\0_base\base_v2216\MTK_AllInOne_DA.bin
Looking for suitable BootChain in DA...
Found MT6768
AGENT: MTK_DOWNLOAD_AGENT
BROM: Sending 1st DA...
Reset Interface
PTFN: MediaTek PreLoader USB VCOM_V1632 (Android) (COM38)
MODE: PRELOADER PORT; PORT: 38
Waiting BOOT ack...
PRELOADER: ACK confirmed
BROM: Init...
Init passed
CHIP: MT6768 SBID: 0x8A00 HWVR: 0xCA00 SWVR: 0x0000 EVOL: 0x0000 HWC: 0x0707
CODE: Talbot
TYPE: MODERN [RAPHAEL]
BROM: Sec Level: 0x00000005 Mode: SBC+SDA
VER: 0xFF BL: 0x03 [PRELOADER PORT]
AGENT: AUTO: 0_base: base_v2216
[3365c4d2] C:\InfinityBox\CM2MT2\boot\0_base\base_v2216\MTK_AllInOne_DA.bin
Looking for suitable BootChain in DA...
Found MT6768
AGENT: MTK_DOWNLOAD_AGENT
BROM: Sending 1st DA...
DA SEND Error: 0x00007024 SECURE BOOT: SELECTED DA NOT SUPPORTED IN CURRENT DEVICE STATE!
PRELOADER Level : CORRECT DA required : PL/PL_CRYPTO/SWSEC
Retrieve device config...

=> Try loaders:
1. [0656ff20] 0_base/base_v2112/MTK_AllInOne_DA.bin
2. [3365c4d2] 0_base/base_v2216/MTK_AllInOne_DA_5.2216.bin

read manual - https://infinity-box.com/?r=100189
get test-point - https://infinity-box.com/?r=100216

Fail to init protocol
Disconnect battery and cable
- Check USB drivers
- Change cable - Change USB port - Do not use USB-hub
- Select another base|model|DA
Try again
Reconnect Power/Cable now

[Support]

It looks like you should ues test-point for this unit