Qualcomm Product Support Tools (QPST) v.2.1.5 build 231 is software package used for phones based on Qualcomm chips: UMTS-based phones EF81, SXG75, SFG75, E81 and other (EF82, SL91, etc.). QPST software includes:

• QPST Configuration - COM-port selection to work with phone.
• EFS Explorer - file manager for phone file system.
• Display Capture - screen capture utility for Java-games and video playing.
• FTM Application - front end testing.
• RF Calibration - front end calibration.
• RF NV Item Manager - NV-memory manager (EEPROM).
• RL Editor - roaming list settings.
• Service Programming - different phone settings.
• Software Download - phone flasher.
• QCNView - .QCN files viewer, generated by Software Download (Backup menu).
• DMProxyWin - QPST ports translation server. Allows to connect to the current phone from another device, which connected to Internet using QPST and DMProxyWin.
• Gang Flash Image Application - creates firmware and file system image to use in programmer such as Data I/O ProLINE RoadRunner or Data I/O FlashPAK.