MT6765 frp fail

[roket145]

How can I unlock frp this devices.

Operation : Reset FRP
CPU : MT6765
Storage : EMMC
DA : MTK_AllInOne_DA.bin [MTK_AllInOne_DA_v3.3001.2019-06-26.13:07]
Hold VOL UP + DOWN and connect USB Cable.
Some phone may have different key combination for BROM mode.
Waiting for device in BROM mode...
Port: COM6
Port Name: MediaTek USB Port_V1632 (COM6)
Path: \\?\usb#vid_0e8d&pid_0003#6&ed9a0d5&0&4#{a5dcbf10-6530-11d2-901f-00c04fb951ed}
Chipset: 0x0766, [MT6765]
Hardware Info: 0x8A00, 0xCA00, 0x00
SecureBoot: False
SLA: False
DA Auth: False
Disabling WatchDog...
- Success
Insecure Device! No need to disable Auth.
Waiting for Phone in Flash Mode...
Connect Power Off phone within 30 secs...
Port : MediaTek USB Port_V1632 (COM6)
Connect BROM failed: STATUS_BROM_CMD_STARTCMD_FAIL(-1073348607)
Disconnect cable and Power ON phone.
Please check if correct Platform/DA is selected

[roket145]

I solved by preloader file. ****************************/file/3gjuj...18510.rar/file

Operation : Reset FRP
CPU : MT6765
Storage : EMMC
DA : MTK_AllInOne_DA.bin [MTK_AllInOne_DA_v3.3001.2019-06-26.13:07]
Waiting for Phone in Flash Mode...
Connect Power Off phone within 30 secs...
Port : MediaTek USB Port_V1632 (COM6)
Connected to BROM.
Sending Download Agent...
connect DA end stage: 2, enable DRAM in 1st DA: 0
Connected to Download Agent..
Executing Flashing Task...
Syncing with Target...
Reading Partition Table...
Storage : eMMC
Reading Device Information...
Brand : Casper
Manufacturer : Casper
Model : VIA_G4
Prod. Name : VIA_G4
Device : VIA_G4
Board : VIA_G4
Build Date : Mon Apr 8 13:26:31 UTC 2019
Build Flavor : full_k62v_op66-user
Build Desc. : full_k62v_op66-user 9 PPR1.180610.011 1554730709 release-keys
Android Ver. : 9
Display ID : VIA_G4_20190408_c1.01
Patch Level : 2019-03-05
Userdata is ENCRYPTED
Resetting FRP...
FRP Reset Done.
Disconnect Battery/Cable and Power On Phone.
[UltimateMTK Ver. 4.0]