VIVO Y15 Operation was failed! [Answered]
 

Platform: VIVO
Selected model: Y15 (1901)
Please, power phone OFF, press and hold "Vol+" button and connect USB cable.
Searching for a phone. Please wait...
Found phone on COM5
Port name: MediaTek USB Port_V1632 (COM5)
Detecting Chip Version...
HW Chip: MT6762: 0766.0000
HW Version: 8A00.CA00.0000.0000
Connecting...
Brom Version: 05
BootLoader Version: FE
Sending auth...
Sending Auth Data...
Target Config: 0x000000E5
Searching Download Agent...
Selected DA: MTK_AllInOne_DA_v3.3001.2018/03/20.21:08_402229+403250, n.0
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...
Operation was failed!
Performed by 1.9.0.0 Software version.

Hello.

Please, select Y12 (1904) and repeat operation again