KEYDIY KD-X4 Locksmith's Universal Tool

The KEYDIY KD-X4 is a professional locksmith tool that combines multiple advanced functions, including recognition, generation, duplication, programming, and key matching. It can operate independently or connect seamlessly with tablets, smartphones, and PCs through various flexible modes.

Locksmiths can select the operating mode that best fits their personal workflow. The device features exclusive, cutting-edge capabilities released with industry-first priority. It supports a wide range of functions, such as:

• Frequency detection (including 2.4G support)

• Remote control generation and simulation

• Keyless remote simulation

• Remote control copying

• Chip recognition, cloning, and generation

• Chip reading and acquisition

• Key unlocking

• Immobilizer programming

• Data reading/writing through the programmer

• Online firmware updates

With its user-friendly operation, reliable performance, and extensive compatibility across various car models, the KD-X4 has established itself as a powerful and versatile tool for modern locksmiths.

KEYDIY KD-X4 Universal Locksmith Tool – Key Features:

• First in the industry to support UWB (Bluetooth) key detection

• Exclusive Toyota used key unlocking without the need for programming

• Pioneer in MLB chip detection functionality

• Built-in CANFD support – no extra accessories required

• Compatible with 24V Chinese heavy-duty trucks for programming

• Integrated programmer supports features like 5A mileage correction (coming soon)

• Instant one-second startup for increased work efficiency

• Multilingual support for 19 languages, including Arabic, Korean, German, Spanish, English, and Chinese

• With a separately purchased wire harness, you can disable the Ford alarm and program all-lost 8A blade keys for Toyota

This powerful tool redefines convenience and efficiency for automotive locksmiths.

KEYDIY KD-X4 Universal Locksmith Tool – Technical Specifications

Device Parameters:

• Battery Capacity: 3.7V, 2000mAh

• Input Power: 5V / 9V / 12V, 2A

• Dimensions: 150 × 85 × 30 mm

• Operating Temperature: -10°C to 50°C

• Storage Temperature: -20°C to 60°C

• Connectivity: BLE, USB 2.0 (Type B)

• Display: 2.8-inch full-color screen

Button & Interface Functions

Power Button:

• Hold for 2 seconds to power on/off the device.

Chip Recognition Button:

• Press: Access chip detection.

• Long press: Open function menu with options:

  • Chip Recognition

  • Ignition Coil Detection

  • System Settings

Remote Copy Button:

• Press: Start normal remote copy.

• Long press: Open function menu with options:

  • Normal Copy

  • Special Copy

  • Remote Data Comparison

Frequency Detection Button:

• Press: Enter 315MHz frequency detection mode.

• Long press: Open function menu with options:

  • 315MHz Frequency Detection

  • 433.92MHz Frequency Detection

  • Battery Voltage / Leakage Detection

Hardware Features & Interface Descriptions

• Key Induction Coil & IMMO Chip Slot:
  Used for identifying/copying IMMO chips and wireless generation of KD remotes.

• Frequency Detection Area:
  Place key in this zone and press the button to detect frequency.

• Power Indicator LED:

  • Flashing: Device powered on

  • Yellow (steady): Charging

  • Green (steady): Fully charged

• Display Screen:
  Shows device status, key data, and other operational info.

• USB Interface:
  For charging or wired connection with a mobile device or PC.

• Programmer Interface:
  Reads data from:

  • Volkswagen MQB dashboards

  • Audi dashboards

  • BCM modules

  • EEPROMs with octagonal chips

• Wired Programming Interface:
  Supports:

  • KD wired remote generation

  • OEM key unlocking

  • Battery voltage and leakage detection

• Collecting Antenna:
  Captures ignition data, detects ignition coils, simulates chips, and more.

• External Antenna Interface:
  Additional input for data collection, chip simulation, and coil testing.

• Toyota Adapter Cable Port:
  Supports all-key-lost programming for Toyota/Lexus smart keys.

• OBD Main Cable Port:
  Connects to the vehicle via external OBD II cable and enables programming through the Mobile KD App.

Warranty Information

The KEYDIY KD-X4 comes with a 1-year warranty, starting from the date of activation.

During the warranty period, if a fault occurs not caused by misuse, the following services are provided free of charge:

• Device repair

• Component replacement

• General maintenance

Post-warranty, any service or repairs will incur a standard fee.