KEYDIY - KDX4 - Universal Key Programmer

The KD-X4 is an all-in-one professional locksmith device that combines chip recognition, remote generation, copying, programming, and matching functions into one powerful tool.

It offers flexible operation — use it as a standalone device or connect it to tablets, smartphones, or PC software. With multiple free operating modes available, locksmiths can choose the workflow that best matches their personal preferences and daily needs.

Backed by exclusive early-release industry-leading features, the KD-X4 delivers simple operation, rock-solid performance, and exceptionally wide vehicle coverage.

Key Functions:

• Remote Generation — Supports generation of 5600+ different remote control types


• 2019+ Toyota Rollin-Code Bypass Cable + MQB Key Programming


• Remote Copying — Compatible with 50+ car models


• Key & Remote Simulation — Supports remote control simulation and smart key simulation


• Frequency Detection — Detects 315M, 433M, 467M, 868M, 902M, and 2.4G frequencies


• Anti-Theft Chip Recognition — Supports MLB, 5C, 46, 47, 48, MOB48, 4D, 4C, 8A, 6A, 4A, 8E, 8C, 13, 11, 12, 7935X, 49, 33/40-44 AUDI5, ID cards, and IC cards


• Specialized Chip Generation — Generates Toyota G, NB multi-function chips, 30/40-44, 48, 4D/4C, Toyota 8A/H, 46 specialized chips, and more


• Chip Data Acquisition — Supports device acquisition, antenna acquisition, external acquisition, and built-in acquisition enhancer. Compatible with 46, BYD all keys lost, 48, OBD 48, and others


• Key Unlocking — Supports mechanical unlocking with 36 different brand key blades


• Battery Voltage Detection — Checks 3V remote key battery voltage


• Key Leakage Detection — Detects leakage in 3V remote control keys


• Second-Hand Remote Programming (No Unlocking Required) — Supports Toyota/Lexus 8A-AA, BA, 4A used keys with unlock-free programming


• IMMO Programming — Supports 51+ car brands with continuous model updates


• Programmer Functions — Includes Volkswagen/Audi MQB programmer for reading IMMO data