DiPlay

# DiPlay

[English](README.md) · [简体中文](README.zh-CN.md) · [繁體中文](README.zh-TW.md)

**CarPlay for compatible BYD Android head units.** Wired and wireless, with the familiar DiAuto interface. Independent app: `com.shihab.diplay`.

> **BYD support scope:** These projects focus on BYD cars. They may work on other brands, but other brands are unsupported and there are no plans to add support or fix brand-specific incompatibilities.

[Download & website](https://shihabal3amri.github.io/DiPlay/) · [Release](https://github.com/shihabal3amri/DiPlay/releases/tag/v0.2.22) · [Report a problem](https://github.com/shihabal3amri/DiPlay/issues/new/choose)

![DiPlay home](site/assets/home.png)

## 0.2.22 — public preview

Install on the **car**, not the iPhone. No jailbreak, dongle, Mac, account or authentication server is required for use. Core CarPlay does not require ADB; optional dashboard, battery, wheel-speed and parked-video features do. Your head unit must permit APK installation. The APK supports Android 7.0+ (API 24); on Android 7.0–8.1, wired CarPlay is confirmed on one car and wireless is not yet confirmed on a vehicle. Wireless supports Wi-Fi Direct, the car’s existing hotspot or Existing Wi-Fi / Same LAN. Android 7.0–9 Wi-Fi Direct uses a firmware-dependent legacy path with generated group credentials and unverified requested frequency; see [Android 9 Wi-Fi Direct](docs/ANDROID9_WIFI_DIRECT.md). Android 10+ verifies its negotiated group frequency.

- Wired USB and wireless CarPlay with local authentication.
- BYD HUD navigation with arrows, distance and street names on verified firmware.
- Car hotspot support, improved audio buffering and saved receive diagnostics.
- Automatic address discovery, fixed-channel Wi-Fi fallbacks and successful-configuration memory.
- Icon/text size, resolution and frame rate; applying a display change reconnects CarPlay.
- Local diagnostic export. Reports are sent only if you choose to share them.
- Separate installation alongside DiAuto. Run one projection app at a time.

This is **not an Apple-certified product**. The APK bundles an experimental accessory identity recovered from public Carlinkit firmware, not a newly provisioned MFi identity for DiPlay. A bundled private key is extractable. Acceptance after future iOS updates, reliability across head units and suitability of that identity for general distribution are unresolved. This release invites community testing; it is not a guarantee of universal compatibility.

Earlier releases were tested on the development DiLink5.1 car: live windshield guidance and street names work, Car hotspot now starts CarPlay, and Wi-Fi Direct performance is substantially improved. Audio underrun recovery is improved in 0.2.15; remaining cutouts need current diagnostic reports. The 0.2.16 software Opus microphone fallback was accepted on a BOS Mini A1 head unit (Android 9) with an iPhone 12 on iOS 27. The floating-map test build was installed on the development DiLink 5.1 car; feedback