What's Xhorse MLB MQB48 Solder Free Adapter? How to Use?

 2025 New Xhorse MLB MQB Solder Free Adapter is designed to work with MLB-Tool for Key Tool Plus/ VVDI2. It supports to read immo data for key adding without disassembling the instrument cluster.

What’s in MQB48 Key Adapter & Chip Replacement?

This adapter includes:

MLB Main Unit Replacement Chip

Key Information Collector

Connecting Cables

What’s MLB Main Unit Upgrade Chip?

This chip is used to replace the original chip in the MLB main unit. After replacement, it will work with the information collector. Discard the original chip; No need to retain it.

Steps:

1. Disassemble the MLB main unit by removing the four case screws.
2. Remove the two screws on the circuit board.
3. Replace the chip on the circuit board.
4. Reassemble the device.

How to collect key information?

Must be used with the MLB main unit; It cannot operate independently.

• Connecting Cable

Connect the adapter to the key. Follow the software instructions to remove the capacitor from the key and solder the connecting cable to the key.

• Connection Method & MQB48 Key Collector Diagram

• Important Notes
• The Xhorse MQB48 Adapter has strict power supply requirements during data collection. Use two separate USB cables to power the MLB main unit and the MQB48 collector. Do not use charging adapters.
• The MLB main unit does not require 12V power.
• Data Collection Time

Good power supply: ~15 minutes for data collection, ~1 minute for immobilizer data calculation.

• Average power supply

~30–60 minutes for data collection, ~1 minute for calculation.

• Connecting to a PC

Use two USB cables.

• Connecting to a Tablet

Label 1: Use a Type-C splitter cable.

Label 2: Tablet power quality is insufficient. For better results, connect the OBD to the vehicle or supply external power to the OBD to maintain tablet battery.

Note: Tablets with a single Type-C port have poor power stability, leading to longer collection times and lower success rates. Strongly recommend using a PC.

• After Successful Data Collection

The MQB48 IMMO data will be generated. Load this data into the MQB35XX option to create and program keys.

Where to free download VVDI MLB Tool Software:

http://dl.xhorse.net.cn/product/vvdimlb/VVDI-MLB.exe

our website: www.obdexpress.co.uk