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When you enable JIT for an app and switch to it (e.g. a game), StikDebug gets backgrounded. If iOS suspends it, the debug connection it holds — and the marco/polo heartbeat that keeps that connection trusted — goes idle, the device tears it down, and the app loses its session after a while. The app also assumed Wi-Fi even though the tunnel rides LocalDevVPN and works on cellular. Session survival (backgrounding): - DebugKeepAliveLease now forces the silent-audio and background-location keep-alive on for the whole debug session, regardless of the user's keep-alive toggles, so a session survives being switched out even if those toggles are off. - Stop the background-task expiration handler from tearing the whole keep-alive down. It used to call invalidate() (killing audio/location) the moment the ~30s assertion elapsed; now it just renews the assertion while the silent-audio keep-alive continues to sustain background execution, so a long backgrounded session keeps running instead of dropping. - Play an inaudible non-zero signal instead of digital silence so iOS does not treat the audio session as idle and reclaim it (suspending the app). Cellular support: - Add NetworkPathMonitor (NWPathMonitor) so the app observes the real path (Wi-Fi, cellular, or VPN) instead of assuming Wi-Fi. - Retry the tunnel connect with backoff so transient cellular failures recover instead of erroring, skipping permanent errors (bad/missing pairing file, invalid target IP). - Reconnect the tunnel on network-path changes (Wi-Fi<->cellular handoff). - Remove the false "Wi-Fi required" wording from the connection alerts and the README. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Qznh32XffG6vwFLMcwm1Mq
159 lines
7.1 KiB
Markdown
159 lines
7.1 KiB
Markdown
<div align="center">
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<img width="217" height="217" src="/assets/StikDebug.png" alt="Logo">
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</div>
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<div align="center">
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<h1><b>StikDebug</b></h1>
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<p><i>An on-device debugger/JIT enabler for iOS versions 17.4+ powered by <a href="https://github.com/jkcoxson/idevice">idevice</a>.</i></p>
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</div>
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<h6 align="center">
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<a href="https://discord.gg/ZnNcrRT3M8">
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<img src="https://img.shields.io/badge/Discord-join%20us-7289DA?logo=discord&logoColor=white&style=for-the-badge&labelColor=23272A" />
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</a>
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<a href="https://github.com/StephenDev0/StikDebug/blob/main/LICENSE">
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<img src="https://img.shields.io/github/license/StephenDev0/StikDebug?label=License&color=5865F2&style=for-the-badge&labelColor=23272A" />
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</a>
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<a href="https://github.com/StephenDev0/StikDebug/stargazers">
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<img src="https://img.shields.io/github/stars/StephenDev0/StikDebug?label=Stars&color=FEE75C&style=for-the-badge&labelColor=23272A" />
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</a>
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<a href="https://github.com/StephenDev0/StikDebug/releases">
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<img src="https://img.shields.io/github/v/release/StephenDev0/StikDebug?label=Latest&color=00BFFF&style=for-the-badge&labelColor=23272A" />
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</a>
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<br />
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</h6>
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## Features
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- **JIT:** Enable Just In Time compilation for sideloaded apps that have the `get-task-allow` entitlement.
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- **App Launching:** Launch every app installed on your device.
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- **Console:** Live app and system logs.
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- **Scripts:** Manage automation scripts (mainly used for iOS 26 JIT).
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- **App Expiry:** See when apps will expire and install/remove profiles.
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- **Device Info:** View detailed device metadata.
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- **Processes:** Inspect running apps/processes and terminate them.
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- **Location Simulator:** Simulate the GPS location of your device.
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## Download
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> [!NOTE]
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> **Notice:** StikDebug is no longer available on the App Store. Please use the official download methods below.
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<div align="center" style="display: flex; justify-content: center; align-items: center; gap: 16px; flex-wrap: wrap;">
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<a href="https://stikstore.app/altdirect/?url=https://stikdebug.xyz/index.json" target="_blank">
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<img src="https://github.com/stikstore/altdirect/blob/main/assets/png/AltSource_Blue.png" alt="Add AltSource" width="200">
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</a>
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<a href="https://github.com/StephenDev0/StikDebug/releases/download/3.1.6/StikDebug-3.1.6.ipa" target="_blank">
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<img src="https://github.com/stikstore/altdirect/blob/main/assets/png/Download_Blue.png" alt="Download .ipa" width="200">
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</a>
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</div>
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## Compatibility
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| iOS Version | Status | Notes |
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|--------------------------|----------------------|-----------------------------------------------------------------------|
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| 1.0 – 17.3.X | Not supported | Uses Different Connection Protocols |
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| 17.4 – 18.x | Fully supported | Stable |
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| 26.0+ | Supported | Limited App Availability (Developers need to update their apps to work.) |
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## How to Enable JIT
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StikDebug enables **JIT** for sideloaded apps on iOS 17.4+ without needing a computer after the initial pairing setup.
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### Requirements
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- StikDebug installed (via AltSource, direct .ipa, or self-built)
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- A valid **pairing file** (.plist / .mobiledevicepairing) for your device
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- SideStore / AltStore / similar sideload tool (for app refreshing)
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- A loopback VPN such as [LocalDevVPN](https://apps.apple.com/us/app/localdevvpn/id6755608044)
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### Steps
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1. **Obtain a pairing file**
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- Detailed guide: [Pairing File Instructions](https://github.com/StephenDev0/StikDebug-Guide/blob/main/pairing_file.md) (or ask in Discord).
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2. **Set up VPN**
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- Launch LocalDevVPN and enable the VPN.
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4. **Enable JIT for an app**
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- Launch StikDebug and tapp the `Enable JIT` button.
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- Select your sideloaded app from the list in StikDebug.
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**Troubleshooting**
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- "Connection dropped" or loopback errors → Check iOS version compatibility / beta warnings.
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- Heartbeat errors → Ensure that LocalDevVPN is on. Any network works (Wi-Fi **or** cellular); the tunnel rides the VPN, so cellular-only is supported. It may also be a pairing file issue.
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- Session drops after switching to another app → Keep the background keep-alive enabled (Settings → Background Keep-Alive). While a JIT/debug session is active, StikDebug plays inaudible audio and holds a background assertion so the session survives being switched out of the app instead of timing out.
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- Pairing file issues → Replace file with device unlocked & trusted.
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- Still stuck? Join the [Discord](https://discord.gg/ZnNcrRT3M8) with logs/screenshots.
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<!--
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## Screenshots
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<div align="center">
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<img src="screenshots/pairing-import.png" width="320" alt="Pairing file import screen">
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<img src="screenshots/app-list.png" width="320" alt="Sideloaded apps list">
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<img src="screenshots/jit-enabled.png" width="320" alt="JIT successfully enabled">
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<img src="screenshots/processes.png" width="320" alt="Process management tab">
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</div>
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(Add images to a /screenshots/ folder in the repo and uncomment when ready.)
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-->
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## Building from Source
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### Requirements
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- macOS (latest recommended)
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- Xcode 16+ (Xcode 26+ preferred for iOS 26+ support)
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- iOS device on iOS 17.4+ (for testing)
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- Git
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- Basic Xcode/Swift knowledge
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### Steps
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1. **Clone the repo**
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```bash
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git clone https://github.com/StephenDev0/StikDebug.git
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cd StikDebug
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```
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2. **Open in Xcode**
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- Launch Xcode
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- Open `StikDebug.xcodeproj`
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3. **Configure signing**
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- Select the **StikDebug** target
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- Go to **Signing & Capabilities**
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- Sign in with your Apple ID (free or paid developer account)
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- Set a unique **Bundle Identifier** (e.g., `com.yourname.StikDebug`)
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4. **Build & install**
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- Select your connected device
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- Press **Cmd + R** (or Product → Run)
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- Trust the certificate on device: Settings → General → VPN & Device Management
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After install, follow the JIT setup steps above (pairing import, etc.).
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## Contributing
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Thank you for your interest in contributing to this project. Contributions of all kinds are welcome.
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### Reporting Bugs
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If you discover a bug, please open an issue and include:
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- A clear and descriptive title
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- Steps to reproduce the issue
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- Expected behavior vs. actual behavior
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- Relevant logs, screenshots, or environment details (iOS version, device model, etc.)
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### Suggesting Features
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To propose a new feature, open a feature request issue and provide:
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- A clear description of the feature
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- The problem it solves or the use case it addresses
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- Any relevant examples or implementation ideas
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### Code Contributions (Best Practices)
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- Follow normal Swift and SwiftUI style.
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- Write clear and easy to understand code.
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- Keep your changes consistent with how the project is already set up.
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- Make sure everything builds and works without errors.
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We appreciate your time and effort in helping improve this project.
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## Code Help
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[](https://deepwiki.com/stephendev0/stikdebug)
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## License
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StikDebug is licensed under **AGPL-3.0**. See [`LICENSE`](LICENSE) for details.
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