vivo y95 1807 reset efs failed

[kurt80]

edl mode reset efs then imei repair failed what the problem ?

Device : Vivo Y95
Operation : Full Reset EFS
Checking for existing devices...Found
Port : Qualcomm HS-USB QDLoader 9008 (COM2)
Driver Info : Qualcomm Incorporated, qcusbser.sys, 2.1.2.2
Opening Port...OK
Init Handshake Sequence...OK
Hardware ID : E1F00B00 [8937] 00000000
OPK_DATA : 30315EBED1DD09CEAAE927CAE0EE967076BC178CA33718DB4F FF8F02A0E7FAD2
Initializing Protocol...OK
Using Auto Loader Selection [1]
Preparing Loader...Done
Sending Loader [8937_029]...Done
Executing Loader...OK
Detecting Chip Type...OK
Hardware : 8937, eMMC, 64 GB
LU Count : 1 [0x0747C000]
WARNING! High Speed Driver is not installed.
Please install driver from QcFire\Drivers folder using Device Manager.
Payload Info : In: 65536 [4096], Out: 1048576, Sector Size: 512
Reading Partition Table...OK
Reading Device Information...OK
Device : vivo vivo 1807 [msm8937_64]
Brand : vivo
Prod.Name : msm8937_64
Software : OPM1.171019.026 release-keys, eng.compil.20200804.185154 [Tue Aug 4 18:51:54 CST 2020]
Android Ver. : 8.1.0
Patch Level : 2020-08-01
Saving EFS Backup.......OK
EFS Backup : EFS_vivo_vivo 1807_OPM1.171019.026 release-keys_2020-08-01_201020_203340.ueb
Reset EFS (Full)...Failed
Operation Failed.
QcFire Ver. 6.2