Code:
Welcome to Octoplus FRP Tool v.1.8.2.0
Platform: LAVA
Selected model: Z81
Please, power phone OFF, press and hold "Vol-" button and connect USB cable.
Searching for a phone. Please wait...
Found phone on COM4
Port name: MediaTek USB Port (COM4)
Detecting Chip Version...
HW Chip: MT6761: 0717.0000
HW Version: 8A00.CA01.0200.0000
Connecting...
Brom Version: 05
BootLoader Version: FE
Sending auth...
Searching Download Agent...
Selected DA: MTK_AllInOne_DA_v3.3001.2018-11-07.23:57_458956, n.28
Sending Download Agent...
DA sent successfully
Initializing DA...
Synchronizing with DA...
Mobile Status: SYNC
Mobile Status: brom
Sending BootLoader Info...
Initializing Memory Flash..
Initialization successfully completed
Sending loaders...
Mobile Status: SYNC
Reading Flash Info...
EMMC rpmb size: 4 Mb
EMMC boot1 size: 4 Mb
EMMC boot2 size: 4 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: 29820 Mb
eMMC Flash: .15010047.4436424D.4201F85B.9BB49529
eMMC Flash: Samsung: GD6BMB
Internal RAM size: 256 Kb
External RAM size: 3072 Mb
Reading partition...
Reading info...
Brand: LAVA
Model: Z81
Device: Z81
Android version: 8.1.0
Display ID: LAVA_Z81_V1.0_S114_20181018_ENG_EGY_ALL_VERSIONS
Searching for signatures...
Resetting FRP lock..
FRP lock is successfully reseted!
Backup saved as LAVA_Z81_13-11-2019_11-00-05.dump file
Performed by 1.8.2.0 Software version.