symphony G20 frp remove done with Platform: __GENERAL RESET FRP METHODS 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: MT6570: 0633.0000
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.16
Sending Download Agent...
DA sent successfully
Initializing DA...
Synchronizing with DA...
Mobile Status: SYNC
Mobile Status: preloader
Initializing Memory Flash..
Initialization successfully completed
Sending loaders...
Mobile Status: SYNC
Reading Flash Info...
EMMC rpmb size: 0 Mb
EMMC boot1 size: 2 Mb
EMMC boot2 size: 2 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: 3616 Mb
eMMC Flash: .7001004D.36323730.34013625.EA8054E9
eMMC Flash: Pretec: M62704
Internal RAM size: 128 Kb
External RAM size: 512 Mb
Reading partition...
Reading info...
Brand: Symphony
Model: G20
Device: G20
Platform: mt6570
Android version: 6.0
Display ID: GP_G20_20170807_HW1_V7
Searching for signatures...
Resetting FRP lock..
FRP lock is successfully reseted!
Backup saved as Symphony_G20_22-01-2019_12-32-00.dump file
Performed by 1.5.9.0 Software version.
Thanks Octopus team