JMM-L22 any operation failed (and other MTK) by HCU

[Eraser]

JMM-L22 any operation failed (and other MTK)
because software dont connect with phone

*#*#14789632#*#*
ProjectMenu
3.Background setting
2.USB ports setting
Select Debug mode

Select MediaTek USB VCOM (Android) COM port

2019-07-07 13:26:28.869 Open COM port COM88 (DBAdapter - PC UI Interface (COM88))...
2019-07-07 13:26:28.985 Start read phone info!
2019-07-07 13:26:30.185 Connecting to server...
2019-07-07 13:26:30.987 Connected!

2019-07-07 13:26:32.588 ERROR!

Write to port error!

when tick "mtk usb generic", phone enable META-mode and dont connect too

Searching phone (insert the USB cable in the powered off phone)...
Phone detected (MediaTek PreLoader USB VCOM (Android))
Preparing to start MTK USB Debug mode...
Looking for debug port (drivers must be already installed)...
MTK USB debug mode entered!
ERROR: General error.
RESULT: General error

[Valdemaras]

Your phone is not even supported.