Warning: Misusing this tool can permanently erase data. Always double-check your connections.
Step 1: Hardware Setup You cannot run eMMC Tool v1.9 with just a USB cable. You need an eMMC adapter (such as an Easy JTAG Plus, MRT, or a dedicated eMMC reader). Solder or connect your wires to the eMMC chip's pins: CLK, CMD, D0, VCC (3.3V), and GND.
Step 2: Software Installation Download eMMC Tool v1.9 from a trusted source (Note: official repositories are preferred; avoid third-party patches that may contain malware). Install the necessary USB drivers for your hardware box.
Step 3: Connecting and Identification Launch the software. Click "Connect." If the wiring is correct, the tool will display the eMMC's information in the "Info" tab. You should see: emmc tool v1.9
Step 4: Creating a Backup (The Golden Rule) Before writing anything to the chip, go to the "Read" tab.
Step 5: Repairing Corrupted Partitions If your device is stuck in a boot loop:
Step 6: Verifying the Repair Re-solder the eMMC back to the device motherboard, or simply power the device via the tool's "Power On" function. If successful, the device should now show signs of life (e.g., charging LED or recovery mode). Extensibility:
Before we focus on version 1.9 specifically, let’s define the baseline. eMMC Tool is a Windows-based utility designed to interface with eMMC storage chips via an external adapter (such as an Easy-Jtag, Medusa Box, or generic USB card reader modified for MMC commands). Unlike standard file managers, this tool communicates directly with the boot partitions, user data area, and extended CSD (Card Specific Data) registers of the chip.
Standard operating systems only see the "user area" of an eMMC. eMMC Tool, however, gives you raw access to:
How to Use eMMC Tool v1.9 – Quick Start Test-suite:
⚠️ Warning: Incorrect writes can permanently damage the eMMC or render the device unbootable. Always backup first.
Switch to “Boot1” → read all → save as boot1.bin
Do the same for Boot2.
Some devices store bootloader in Boot1 and backup in Boot2.