It is highly unlikely that the keyword "progemmcfirehose8953ddrmbn best" corresponds to a real product, service, or known technical term.
Full NAND Backup: Creating a raw image of the device's entire internal storage for data recovery or forensic analysis. Where to Find the "Best" Version progemmcfirehose8953ddrmbn best
If you meant this to be a longer piece of writing or code, could you clarify: prog: Short for "programmer
Error 0x1 or 0xC0090006Cause: Security violation. The Firehose programmer is trying to write to a partition that is signed or locked by the manufacturer, and the programmer doesn't have the correct authority. Solution: This is rare with generic 8953 programmers on older devices, but if it happens, you may need a specific programmer extracted from the exact firmware version currently on the phone. Full NAND Backup : Creating a raw image
C:\Program Files (x86)\Qualcomm\QPST\bin\).QCUSB_COM3_1).Enter EDL Mode: Connect your device to the PC using a USB cable while shorting the "Test Points" on the motherboard, or by using a specialized EDL cable/fastboot command.