New Features in Rusolut Platform 11: Improved eMMC NAND Reconstruction

New Features in Rusolut Platform 11: Improved eMMC NAND Reconstruction

In Rusolut Platform 11, the eMMC NAND RECONSTRUCTOR includes several new features and improvements.

Modern devices use eMMC NAND with built-in controllers handling ECC and data management. When the controller fails, access to the translation layer is lost, and standard extraction methods do not work. In such cases, recovery requires direct NAND access and low-level data reconstruction.

To support this process, we have updated. The physical acquisition workflow has been optimized to increase automation and improve overall efficiency.



Picture 1 – ECC Map in the eMMC NAND RECONSTRUCTOR 



One of the new features is the ECC map. This map shows the condition of the NAND chip. It allows the user to quickly understand the state of the memory and estimate the chances of successful data recovery. The map is more intuitive than before and helps to analyze how error correction and rereading perform.



Picture 2 – ECC Rereading



In the new interface, it is now possible to set the number of reread passes. Modern NAND chips often require five or more passes to reduce bit errors effectively. The user can choose to perform rereading/correction ECC separately for one ellement, or run  processes on all elemnts.

Additionally, the interface now shows detailed parameters of the rereading process, making it easier to monitor how error pages are handled and corrected.




Picture 3 – ECC Logs



The ECC logs has been added. These log files allow users to review how the ECC process was performed. This is useful for analysis and troubleshooting.

Reconstructing data directly from NAND in eMMC cases is a complex task. It requires multiple transformations of the data structure.

Since data recovery can be very slow, a shadow copy mechanism is used in some cases to speed up the process.



Picture 4 – Complex Solution with Shadow Copy



The interface for this process has also been improved.



Picture 5 – Shadow Copy Process



Users can now view a map of the shadow copy process. This map is saved to a file, so when the case is reopened, the map is loaded automatically. This allows users to continue their work without starting from the beginning and speeds up the logical image reconstruction process.


The new version of Rusolut Platform 11 significantly improves the eMMC NAND reconstruction process. With a more intuitive interface, better visualization tools like the ECC map, advanced rereading options, and detailed ecc log, users have more control over chip reading process.

These updates not only simplify complex recovery tasks but also increase the chances of successful data extraction, especially in challenging forensic cases where the controller is no longer functional.
    • Related Articles

    • ECC in NAND flash memory

      All modern flash storage devices have a problem with data integrity caused by a poor quality of the NAND chips. This problem is well known as “Bit errors”. When bit errors appear within the area where file is stored, it gets corrupted and unreadable. ...
    • Silicon Motion(SM) controllers - Data recovery

      We can find plenty of NAND controllers on the market and without any doubt one of the most popular is SiliconMotion.  These controllers found their use in all kinds of flash devices, starting from USB flash drives, SD cards, monolithic devices, and ...
    • Analysis of bit errors in NAND and power adjustment

      During the NAND chip reading process, there are internal noise and interference occur, which results in bit errors and data corruption. This problem is particularly critical for TLC flash chips. If a physical image extracted with a high number of bit ...
    • Preparing Device for Research

      In NAND data recovery, there are many types of devices, which means many different ways to extract data. Sometimes a device has no ready-made solution because the XOR, ECC code, or data translation method is unknown. Research becomes extremely ...
    • Alcor Micro(AU) controllers - Peculiarities of data recovery

      Alcor Micro (AU) controllers are found in all sorts of devices such as microSD cards, USB flash drives, SD cards of any package, and especially monolithic devices. They are very popular in cheap, refurbished, and fake devices as well. Recent models ...