| Feature | AppSync (Normal) | AppSync (Deb Exclusive) | CoreTrust Bypass (e.g., TrollStore) | |---------|------------------|-------------------------|--------------------------------------| | Installs unsigned IPAs | Yes | No | Yes (permanent) | | Installs unsigned debs | Yes | Yes | No | | System daemon patching | No | Yes (via deb) | No | | Requires jailbreak | Yes | Yes | No (for IPAs) |
In standard iOS environments, Apple enforces strict digital rights management (DRM). The operating system checks every application for a digital signature verified by Apple before allowing it to run. If an app is unsigned, or signed with an expired or invalid certificate, iOS will immediately crash the app or refuse to install it. appsync unified deb file exclusive
Although rare, some jailbreak repos have used this exclusivity: | Feature | AppSync (Normal) | AppSync (Deb
AppSync Unified must be updated for every iOS version (even minor updates) because installd and MobileIntegrity change offsets. The DEB-exclusive feature is fragile – Apple could add a secondary signature check in libmis.dylib outside the hooked functions. Although rare, some jailbreak repos have used this