Vivo Y21L pattern lock solution

Here is logs:
6:39:41 Current Task: VIVO>>Qualcomm>>Read Information>>AUTO
16:39:41 Operation:
1.Remove battery and insert battery back.
2.Press and hold 'VolumeUp' and 'VolumeDown' keys.
3.Please insert USB cable within 50 seconds.
Some phones need to use edl cable or special card slot.
16:40:01 Port Found[COM12].
16:40:01 Hardware Id:007050e1
16:40:01 Loading Necessary File,Please Wait...
16:40:22 Done.
16:40:22 Waiting for flash programmer to boot.
16:41:12 Status: 21 The device is not ready.

16:41:12 Get Partition Info Fail.
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17:41:41 Current Task: VIVO>>Qualcomm>>Read Information>>Select Factory Boot
17:41:41 Operation:
1.Remove battery and insert battery back.
2.Press and hold 'VolumeUp' and 'VolumeDown' keys.
3.Please insert USB cable within 50 seconds.
Some phones need to use edl cable or special card slot.
17:42:27 Port Found[COM14].
17:42:27 Hardware Id:007050e1
17:42:27 Selected Boot File is:C:\Volcano Unitool\prog_emmc_firehose_files\prog_emmc_firehos e_8916.mbn
17:42:27 Waiting for flash programmer to boot.
17:45:05 Please wait while stopped.
17:47:17 Please wait while stopped.
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17:58:07 Current Task: VIVO>>Qualcomm>>Clear Screen Lock>>AUTO
17:58:07 Operation:
1.Remove battery and insert battery back.
2.Press and hold 'VolumeUp' and 'VolumeDown' keys.
3.Please insert USB cable within 50 seconds.
Some phones need to use edl cable or special card slot.
17:58:22 Port Found[COM14].
17:58:22 Hardware Id:007050e1
17:58:22 Loading Necessary File,Please Wait...
17:58:43 Done.
17:58:43 Waiting for flash programmer to boot.
18:01:33 Please wait while stopped.


Please help me