1. Introduction and Overview
This kit provides a solution for reading and writing the 4GB NAND memory on Microsoft Xbox 360 consoles, specifically those with the TX Corona 4GB NAND configuration. It is designed for advanced users and technicians for console modification, repair, or custom firmware installation. The kit facilitates the connection of the console's internal NAND to an external SD card reader via a Quick Solder Board (QSB) and ribbon cable, allowing for data transfer using a PC.
Important Note: Installation of this kit requires advanced soldering skills and familiarity with Xbox 360 console disassembly and NAND programming procedures. Improper installation can lead to permanent damage to your console.
2. Package Contents
Please verify that all the following components are included in your package:
- 1x Micro SD Adapter
- 1x Corona 4GB EXT R/W PCB Board
- 1x Corona 4GB-V4 QSB PCB Board
- 1x Ribbon Cable (Flexible Flat Cable)

3. Specifications
| Feature | Detail |
|---|---|
| Accessories Type | Replacement Shell Component |
| Model Number | 4GB QSB V4 SD Host Card Reader For Xbox 360 |
| Compatible Brand/Model | Microsoft |
| Compatible Microsoft Model | Xbox360 (TX Corona 4GB NAND) |
| With USB | No (External SD adapter connects to PC via standard SD card slot) |
| Is Customized | No |
| Origin | Mainland China |
| Package Length | 10 cm |
| Package Width | 4 cm |
| Package Height | 2 cm |
| Package Weight | 0.02 kg |
4. Setup and Installation
This section outlines the general steps for installing the 4GB QSB V4 SD Host Card Reader. Due to the highly technical nature of this modification, detailed step-by-step instructions with specific soldering points are beyond the scope of this general manual. Users are expected to consult specialized guides and tutorials for their specific Xbox 360 Corona 4GB NAND console model.
Required Tools and Materials (Not Included):
- Soldering Iron with fine tip
- Solder and Flux
- Desoldering Braid/Pump
- Multimeter
- Xbox 360 Torx Screwdriver Set
- Plastic Opening Tools
- PC with SD Card Reader
- NAND Programming Software (e.g., J-Runner, AutoGG)
Installation Steps (General Overview):
- **Console Disassembly:** Carefully disassemble your Xbox 360 console to access the motherboard.
- **Locate NAND Points:** Identify the specific soldering points on the Xbox 360 Corona 4GB motherboard for NAND read/write operations. These points are typically small and require precise soldering.
- **Solder QSB Board:** Solder the Corona 4GB-V4 QSB PCB board to the identified points on the motherboard. Ensure all connections are clean and secure, avoiding bridges.
- **Connect Ribbon Cable:** Attach one end of the ribbon cable to the Corona 4GB-V4 QSB board and the other end to the Corona 4GB EXT R/W PCB board.
- **Connect SD Adapter:** Insert the Micro SD adapter into the Corona 4GB EXT R/W PCB board. This adapter will then connect to your PC's SD card reader.
- **Test Connections:** Before reassembling, use a multimeter to check for continuity and shorts on your soldered connections.
- **Initial NAND Read:** Connect the SD adapter to your PC and use appropriate NAND programming software to attempt an initial read of your console's NAND.
- **Reassembly:** If the NAND read is successful, carefully reassemble your Xbox 360 console.


5. Operating Instructions
Once the 4GB QSB V4 SD Host Card Reader kit is correctly installed in your Xbox 360 console and connected to your PC via an SD card reader:
- **Power On Console (if required by software):** Some NAND programming software may require the console to be powered on to detect the NAND. Follow the specific instructions of your chosen software.
- **Launch NAND Programming Software:** Open your preferred NAND programming application (e.g., J-Runner, AutoGG) on your PC.
- **Detect Device:** The software should detect the connected NAND via the SD card reader.
- **Read NAND:** Use the software's function to read the console's 4GB NAND. It is highly recommended to create multiple backups of your original NAND.
- **Write NAND (if applicable):** If you are flashing custom firmware or performing a repair, use the software to write the modified NAND image to the console. Double-check your image file before writing to prevent bricking the console.
- **Verify Write:** After writing, verify the NAND to ensure the data was written correctly.
- **Disconnect:** Safely disconnect the SD card reader from your PC and then disconnect the kit from the console.
6. Maintenance
The 4GB QSB V4 SD Host Card Reader kit is a delicate electronic component. Proper care will ensure its longevity:
- **Handle with Care:** Avoid bending or applying excessive force to the PCB boards or ribbon cable.
- **Keep Dry:** Protect the components from moisture and liquids.
- **Store Properly:** When not in use, store the kit in an anti-static bag in a cool, dry place.
- **Cleanliness:** Ensure soldering points and connectors are free from dust and debris. Use isopropyl alcohol and a soft brush if cleaning is necessary.
7. Troubleshooting
If you encounter issues during installation or operation, consider the following:
- **NAND Not Detected:**
- Check all soldered connections for bridges or cold joints.
- Ensure the ribbon cable is correctly seated and not damaged.
- Verify the Micro SD adapter is properly inserted into the Corona 4GB EXT R/W board and your PC's SD card reader.
- Try a different SD card reader on your PC.
- Ensure your NAND programming software is up-to-date and correctly configured for your console model.
- **Console Not Booting After Installation:**
- This often indicates an issue with the NAND write or a short circuit on the motherboard.
- Immediately disconnect power and re-check all soldering points for shorts.
- Attempt to re-read the NAND and re-write a known good backup.
- **Software Errors:**
- Ensure you are using the correct version of the software for your console and kit.
- Consult online forums or communities dedicated to Xbox 360 modification for specific software error codes.
8. User Tips
- Backup Your NAND: Always create multiple backups of your console's original NAND before attempting any modifications. This is crucial for recovery in case of errors.
- Use High-Quality Tools: Precision soldering is key. Invest in a good quality soldering iron with a fine tip and appropriate solder.
- Consult Specific Guides: This manual provides a general overview. Always refer to detailed, console-specific installation guides and videos from reputable sources for your exact Xbox 360 model (e.g., TX Corona 4GB NAND).
- Static Discharge: Always take anti-static precautions (e.g., anti-static wrist strap, mat) when handling console components to prevent damage from electrostatic discharge.
9. Warranty and Support
Due to the nature of this product as a component for console modification, specific warranty details may vary. Please retain your proof of purchase. For technical support or inquiries regarding product defects, please contact the seller directly through the platform where the purchase was made. Damage resulting from improper installation, misuse, or unauthorized modification is not covered.





