Selected phone: CF7
Action: Restore NVRAM Meta Mode
Scanning for presents meta ports...
Phone must be off with battery inside.
Please insert USB cable now...
In some phones need to keep VOL- button untill inserting USB cable.
[24]Detected: MediaTek PreLoader USB VCOM (Android) (COM24)
\\?\usb#vid_0e8d&pid_2000#6&3a7196b4&0&2#{a5dcbf10-6530-11d2-901f-00c04fb951ed}
Starting META mode, wait...
Restarting to meta,wait....
If drivers missing, please install CDC drivers.
This can take up to 5 min on slow phones.
If take too long, check device manager for drivers.
[57]META Port Detected: MediaTek USB VCOM (Android) (COM57)
USB\VID_0E8D&PID_2007\6&3A7196B4&0&2
Start sync target, waiting responce.....
ChipID: MT6739,S01
Using Algo 5.
Brand: TECNO MOBILE LIMITED
Board: TECNO-CF7
Model: TECNO CF7
Name: H399
Release: CF7-H399BCDEFH-O-180822V106
Version: 8.1.0
Platform: MT6739
Start nvram restore, do not disconnect phone!!!!.
NVRAM Retored OK.
[0]All done.