Please add acer A1-734 frp unlock

Model no acer A1-734
Choosing B1-850 did not succeed


Platform: ACER
Selected model: B1-850
Please, power phone OFF, press and hold "Vol-" button and connect USB cable.
Searching for a phone. Please wait...
Found phone on COM78
Detecting Chip Version...
HW Chip: MT6735: 0321.0000
HW Version: 8A00.CA00.0000.0000
Connecting...
Brom Version: 05
BootLoader Version: FE
Sending auth...
Searching Download Agent...
Selected DA: MTK_AllInOne_DA_v3.3001.2018-04-25.11:32_437806, n.10
Sending Download Agent...
DA sent successfully
Initializing DA...
Synchronizing with DA...
NAND Flash: not installed
eMMC Flash: .15010042.57424433.5202398D.B8A028BB
eMMC Flash: Samsung: BWBD3R
DA ver: 4.2.9B
Initializing Memory Flash..
Sending BootLoader Info...
Initialization successfully completed
Sending loaders...
Operation was failed!
Performed by 1.4.4.0 Software version.