This package contains a Launch X431 PRO3/PRO5 Android application (build v7.05.022) prepared for use with compatible Bluetooth VCIs such as Thinkdiag 2 and Ediag Plus. The interface language follows your Android system language, so the app will display in English or any other supported language set on the device. It brings the familiar Launch tablet interface to standard Android devices while keeping OEM-style diagnostic coverage, live data and service functions for a wide range of passenger cars and light commercial vehicles.

Key diagnostic capabilities

• Full system scanning with read/clear DTC for engine, automatic transmission, ABS, SRS, body, chassis and other ECUs on supported vehicles.
• Live data stream with list and graph view, freeze-frame capture, data logging and playback to help diagnose drivability issues.
• Service and maintenance functions such as oil reset, EPB, SAS, BMS, DPF regeneration, throttle relearn, injector coding and more (availability varies by brand and model).
• Bi-directional active tests for many ECU types, allowing component activation and actuator tests directly from the app.
• Access to Launch Info Center modules (DTC Help, Operation Tips, Technology Handbook, X-431 FIX) when used with valid online services and user account.
• Support for modern communication protocols through the VCI, including high-speed CAN, some CAN-FD / DoIP coverage where supported by the adapter and vehicle.

Brief and clear:
This app is intended for the devices shown below. Its main advantage is that you can make Thinkdiag 2 and Ediag Plus work with the original X431 brands in the Launch x431pro app by copying the stock brand files to the path specified in “What this build does”. No edits to the brands are required — everything is handled in the app itself, and it works alongside the official Thinkdiag+ application.


What this build does
This APK is based on the official Launch X431 PRO3/PRO5 application and uses the standard cnlaunch/X431Pro3S/<device-serial>/DIAGNOSTIC/VEHICLES directory layout for diagnostic brands. When paired with compatible Thinkdiag 2 or Ediag Plus hardware it provides an OEM-style Launch interface for vehicle selection, diagnosis, special functions and built-in technical information. All diagnostic databases and subscriptions must be obtained and used in accordance with Launch licensing terms and local law; this package does not include any brand databases by itself.

Package contents

• X431Pro5_APP_V7_05_022.apk – Launch X431 PRO3/PRO5 style Android diagnostic application multilanguage

Compatibility notes

• Designed for Android phones and tablets with Bluetooth and Wi-Fi connectivity.
• Intended for use with Launch-protocol Bluetooth VCIs; tested in many workshops with Thinkdiag 2 and Ediag Plus devices that emulate the X431 communication profile.
• Vehicle coverage, special functions, online coding and remote services still depend on your Launch account, region and valid diagnostic licenses.
• Some advanced options (Smartlink remote diagnosis, online coding, ADAS calibration, HD truck modules) may require original Launch tablets, Smartbox/Smartlink interfaces or extra hardware.
• Availability of individual functions always varies by vehicle brand, model year, ECU firmware and market specification.

Basic usage

• Install the APK to your own Android device and complete first-run configuration.
• Pair the app with a supported Bluetooth VCI (for example Thinkdiag 2 or Ediag Plus) and confirm stable connection to the vehicle’s OBD port.
• Select vehicle brand, model and system, then perform health scan, read/clear DTC, view live data or run service functions as needed.
• Always follow official repair information and safety procedures when performing active tests, adaptations or coding.

Operating systems
The application follows the same platform requirements as recent X431 PRO3/PRO5 tablets and other Launch EuroPro devices.

• Android 5.1 or newer (recommended Android 7.0–13)
• Android system language: English recommended for full menu compatibility
• Google Play Services not strictly required but recommended for stable connectivity and account handling

Minimum system requirements

• CPU: Quad-core 1.3 GHz or faster ARM processor
• RAM: 2 GB or more (4 GB recommended for large brand databases)
• Storage: At least 16 GB free space for the app, logs and downloaded vehicle software
• Display: 7 inch or larger touchscreen, 1280 × 720 resolution or higher
• Connectivity: Stable Wi-Fi for updates and online functions, Bluetooth 4.0 or newer for VCI communication
• Other: Local administrator rights on the device to allow installation from unknown sources, legal access to Launch diagnostic licenses and databases

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