y15s fall

[kumfu]

Work ID: 0000000002630E41
Platform: VIVO
Selected model: Y15S (V2139)
Please, power phone OFF and connect USB cable.
Searching for a phone. Please wait...
Found phone on COM5
Port name: MediaTek PreLoader USB VCOM_V1632 (Android) (COM5)
Detecting Chip Version...
HW Chip: MT6765: 0766.0000
HW Version: 8A00.CA00.0000.0000
Connecting...
Target Config: 0005
Brom Version: FF
Searching Download Agent...
Selected DA: MTK_AllInOne_DA_v3.3001.2018/03/20.21:08_402229+403250, n.0
Prepairing Download Agent...
Sending Download Agent...
Operation was failed!
Performed by 2.3.5.0 Software version.