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eMMC Dump

Definition

Embedded Multi-Media Card flash chip extraction. The chip is desoldered (chip-off) or read in-circuit with an ISP adapter; the raw NAND or eMMC dump is then parsed for firmware, configuration and user data.

Chip type
eMMC flash memory
Extraction methods
Chip-off desoldering, in-circuit ISP
Output
Raw NAND/eMMC dump
Recovers
Firmware, configuration, user data

Common questions

When is chip-off preferred over in-circuit reading?+

When the device is damaged, locked, or its ISP test points are inaccessible. Desoldering the chip lets the examiner read it directly on a compatible programmer instead of through the device's own circuitry.

What risk does chip-off extraction carry?+

The desoldering heat can damage the chip and make the data unrecoverable, so it is generally a last-resort, irreversible technique used only when non-destructive methods have failed.

Related terms

Binwalk
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CoAP
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DPDP Act 2023
Digital Personal Data Protection Act 2023. India's general data protection statute, in force in phases from 2024. Applies to IoT-collected personal data...
JTAG
Joint Test Action Group standard (IEEE 1149.1) for chip-level debugging. The test access port left on a phone's PCB lets a forensic...
MQTT
Message Queuing Telemetry Transport. A publish/subscribe protocol on TCP port 1883 (plain) or 8883 (TLS) with a central broker. Designed for low-bandwidth...
UART
Universal Asynchronous Receiver/Transmitter. A two-wire serial interface (TX, RX, GND, optional VCC) exposed on most IoT device boards as debug pads or...

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