Used to back up or restore Non-Volatile (NV) memory contents, which is critical for preserving IMEI and network calibration data.
The primary tool within the suite used for downloading and flashing firmware files onto Qualcomm smartphones. QPST Configuration: qpst 274961 full
Open the QFIL tool from the QPST installation folder (usually located in C:\Program Files (x86)\Qualcomm\QPST\bin\ ). Used to back up or restore Non-Volatile (NV)