plz help vivo y22 imei repairing problem

plz help vivo y22 imei repairing problem

plz any idea

any file for support this operation

Operation : Repair IMEI
CPU : MT6582
Storage : EMMC
DA : MTK_AllInOne_DA.bin [MTK_AllInOne_DA_v3.3001.2017-12-29.16:29]
Waiting for Phone in BROM Mode...
Connect Power Off phone within 30 secs...
Port : MediaTek PreLoader USB VCOM (Android) (COM37)
Connected to BROM.
Sending Download Agent...
connect DA end stage: 2, enable DRAM in 1st DA: 0
Connected to Download Agent..
Driver: MediaTek Inc., usb2ser.sys, 3.0.1437.1
Syncing with Target...
Reading Partition Table...
Reading Device Information...
Brand : vivo
Manufacturer : vivo
Model : vivo Y22
Prod. Name : Y22
Device : Y22
Board : bbk82_cwet_kk
Android Ver. : 4.4.2
Display ID : ALPS.KK1.MP1.V2.46
Userdata is NOT ENCRYPTED
Reading NV IMEI Data...
Failed to Seek!
NV IMEI1 :
NV IMEI2 :
NVRAM Saved as: C:\UMTool\UltimateMTK\NVRAM\NV_vivo_vivo Y22____181225_183706.nvf
Detected IMEI Algo 0
New IMEI1 : 86xxxxxxxxxxxxxx
New IMEI2 : 86xxxxxxxxxxxxxx
Preparing IMEI data [1]...
NV_OFFSET is unknown!
Disconnect Battery/Cable and Power On Phone.
[Ver. 1.6]