Realme C51 Error FLASHING AND READING

[dj_mseal]

BACKUP NV Selected Platform : Tiger T616_64_Bypass
Connect Testpoint or hold VOL DOWN! Instruction here!
Waiting for device... COM51 (SPRD U2S Diag)
USB : USB\VID_1782&PID_4D00\5&1272F2AF&0&1
Initializing loader... OK
Protocol : SPRD3
Sending payload... OK
Sending auth data... OK
Sending preloader1... OK
Sending preloader2... OK
Booting loader, please wait... OK
Boot ver: Spreadtrum Boot Block version 1.1
Sending FDL1... OK
Sending FDL2... OK
Reading Serial Number... FAIL
[0xA2] Write error!
Reading partitions info... OK [0] [0]
Reading device info... FAIL
Failed to read metadata!
Reading miscdata... FAIL
[0xA2] Write error!
Reading misc... FAIL
[0xA2] Write error!
Reading persist... FAIL
[0xA2] Write error!
UNLOCKTOOL 2024.07.18.0
Elapsed time : 23 sec

Can Someone Tell Me Whats the problem here?????
no flashing no reading anything, no frp no format ?????