symphony v46 frp remove done with Selected model: MTK GENERAL 
Platform: __GENERAL RESET FRP METHODS
Selected model: MTK GENERAL
Please, power phone OFF and connect USB cable.
Searching for a phone. Please wait...
Found phone on COM28
Detecting Chip Version...
HW Chip: MT6580: 6580.0000
HW Version: 8A00.CA00.0000.0000
Connecting...
Brom Version: FF
BootLoader Version: 01
Searching Download Agent...
Selected DA: MTK_AllInOne_DA_v3.3001.2018-11-07.23:57_458956, n.11
Sending Download Agent...
DA sent successfully
Initializing DA...
Synchronizing with DA...
NAND Flash: not installed
eMMC Flash: .FE014E50.314A3934.4D125399.57B553C3
eMMC Flash: Micron: P1J94M
DA ver: 4.2.9C
Initializing Memory Flash..
Initialization successfully completed
Sending loaders...
Loader send successfuly.
Reading Flash Info...
EMMC rpmb size: 1 Mb
EMMC boot1 size: 1 Mb
EMMC boot2 size: 1 Mb
EMMC gp1 size: 0 Mb
EMMC gp2 size: 0 Mb
EMMC gp3 size: 0 Mb
EMMC gp4 size: 0 Mb
EMMC user area size: 3736 Mb
Internal RAM size: 128 Kb
External RAM size: 512 Mb
Reading partition...
Reading info...
Brand: Symphony
Model: V46
Device: V46
Platform: mt6580
Android version: 5.1
Display ID: V46_HW1_V10
Searching for signatures...
Resetting FRP lock..
FRP lock is successfully reseted!
Backup saved as Symphony_V46_26-01-2019_14-16-21.dump file
Performed by 1.6.0.0 Software version.
Thanks Octopus team