This is almost always a driver issue. Re-run LibUSB/USBDk and ensure the filter is actively catching the device when it transitions from Preloader mode to BROM mode.
The 2.0 update transforms the utility into an all-in-one servicing suite for MTK hardware. 1. Advanced Partition Management Mtk Client Gui 2.0
Select the partitions you want to save (select all for a full backup). This is almost always a driver issue
She wasn't a failure. She was a victim of bad software. Mtk Client Gui 2.0