| Error Message | Likely Cause | Solution |
|---------------|--------------|----------|
| Sahara protocol error: Code 3 | Firehose programmer mismatch | Find the correct .elf file for your exact SoC and storage type. |
| Unable to read from COM port | Driver conflict or cable issue | Use USB 2.0 port, reinstall QDLoader drivers, disable modem drivers. |
| Memory dump failed: Invalid address range | You requested memory beyond physical storage | Double-check partition table and total storage size. |
| Checksum mismatch | USB corruption or unstable power | Use a powered USB hub and shorter cable. |
| Device not in Sahara mode | Device exited EDL | Reboot into EDL again; some devices timeout after 10 seconds. |
Performing a QPST Sahara memory dump on your own device is generally legal. However: qpst sahara memory dump
Always obtain explicit written consent before dumbing memory on a device belonging to another person or organization. | Error Message | Likely Cause | Solution
If the userdata partition is not encrypted (rare on modern devices), you can browse photos and documents. For FBE/FDE, you need the device’s encryption key from the TEE—extremely difficult unless the device was rooted before bricking. Performing a QPST Sahara memory dump on your
| Region | Description | Sensitivity | |--------|-------------|--------------| | Boot ROM (mask ROM) | Immutable boot code | Low | | On-chip RAM (OCIMEM) | Early boot stack, certificates | High | | DDR SDRAM | Full system RAM (if dumped post-boot) | Critical | | TZ (TrustZone) memory | Secure OS, keys, DRM | Extremely High | | Modem memory | Baseband firmware, IMEI, radio calibration | High |
A memory dump via QPST Sahara is not a simple file copy. It requires precise knowledge of the device’s memory map, which is chipset-specific and often proprietary. The typical workflow involves:
Most third-party implementations (like the edl Python tool by bkerler) extend this by iterating through entire memory ranges (RAM from 0x80000000 to 0xFFFFFFFF, then NAND partitions read via later Firehose protocol) to produce a full physical memory image.