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At its core, a refers to a low-level diagnostic and recovery process that extracts raw memory contents from a Qualcomm chipset when the device is in Emergency Download (EDL) mode. This is not a simple backup; it is a forensic-level capture of the device’s volatile and non-volatile memory regions, often used to resurrect "hard-bricked" phones, recover deleted partitions, or reverse-engineer firmware.
High-level workflow


