=== LOG ===
Waiting for server.....OK 
Loading files.....OK 
Setting up.....OK 
Waiting for MTK port.....Detected {COM5}
Switching to Meta Mode.....OK 
Waiting for Meta port.....Detected {COM49}
Connecting to Meta port.....OK 
Reading info.....OK 
Device Firmware: O11019 release-keys 
Device SDK: 27 
Android version: 8.1.0 
Device Model: vivo 1820 
Device Factory: vivo 
Device CPU: arm64-v8a 
Device Factory: vivo 
Formatting.....OK 
Operation {Factory Reset META} ID: 0C89385AD0CD35C3 
Elapsed time 01:54 -- Version 5.4.3 Release 0001 Build 647