: Ensure all important files are backed up, as flashing deletes all device content.
: On Windows 10, QFIL often fails with “Sahara Fail”. Fix: Use a USB 2.0 hub and run as Administrator. bq firmware flash tool windows 10 upd
QFIL (Qualcomm Flash Image Loader) v2.0.1.9+ : Ensure all important files are backed up,