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Research Updated Feb 20, 2025

iOS SDK Download: Get the Latest Version (iOS 9 - iOS 18 SDKs)

Promotion image of iOS SDK Download article.

xybp888 is releasing on his GitHub account iOS SDK, including symbols for private frameworks for iOS 9 – iOS 18.3. The repository is frequently updated providing the latest SDKs for iOS devices. Recently, the SDK library was updated to offer access to iOS 18.3 SDK. However, you can still download all previous releases to iOS 9.3 SDK.

Apple stopped including private framework symbols in official SDKs around iOS 9.3 (circa 2016) to enforce App Store policies and protect system integrity. Using private frameworks in App Store apps risks rejection, and on modern iOS versions, apps need proper entitlements to even load them, which only Apple can grant.

Patched SDKs are actively maintained and downloadable for iOS 18.3 and earlier, often shared within jailbreak or developer communities. This article will provide you with all SDKs for iOS 9 - iOS 18.

What is iOS SDK?

The iOS Software Development Kit (SDK) is a collection of tools, libraries, and documentation provided by Apple to developers for building apps for iOS devices like the iPhone and iPad.

Each version of the iOS SDK corresponds to a specific iOS release (e.g., iOS 9, iOS 10, up to iOS 18), and it includes frameworks—precompiled libraries of code—that developers can use to access various system features, such as the user interface (UIKit), networking (Network.framework), or graphics (CoreGraphics).

Public vs. Private Frameworks

  • Public Frameworks: These are officially documented by Apple (e.g., UIKit, Foundation, CoreData) and intended for use by all developers. They’re part of the standard iOS SDK available through Xcode, Apple’s integrated development environment (IDE).
  • Private Frameworks: These are undocumented or minimally documented frameworks Apple uses internally for iOS functionality (e.g., BatteryCenter.framework, BackBoardServices.framework). They’re not meant for third-party developers because Apple restricts their use in App Store apps, and their APIs can change without notice, making them unstable for external use.

iOS SDK Download: All Releases (Patched)

Modified SDKs aren’t provided by Apple. Instead, they’re created by reverse-engineering communities or developers (e.g., via repositories like xybp888/iOS-SDKs on GitHub or patched SDKs from groups like Theos).

They extract private framework headers and symbols from iOS firmware or older Xcode versions where private frameworks were less restricted (pre-Xcode 7.3/iOS 9.3, when Apple began removing them).

iOS SDKs ZIP Files:

How to Import and Use iOS SDKs in Xcode

Using iOS SDKs in Xcode involves a few steps to ensure the SDK is properly integrated into your project. Here's a step-by-step guide on how to import and use an iOS SDK in Xcode:

Step 1: Download the SDK

  • Download the desired iOS SDK ZIP file from the provided source.
  • Extract the ZIP file to a location on your computer.

Step 2: Add the SDK to Your Xcode Project

1. Open Your Xcode Project:

  • Launch Xcode and open your existing project or create a new one.

2. Drag and Drop the SDK:

  • Locate the extracted SDK folder (e.g., iPhoneOSXX.X.sdk).
  • Drag the SDK folder into the Frameworks group in your Xcode project.
  • In the dialog that appears, ensure "Copy items if needed" is checked and click Finish.

3. Verify the SDK in Your Project:

  • The SDK should now appear in your project navigator under the Frameworks group.

Step 3: Configure Build Settings

1. Set the SDK Path:

  • Go to your project settings by clicking on your project in the navigator.
  • Select your target and navigate to the Build Settings tab.
  • Search for "Framework Search Paths".
  • Add the path to the SDK folder (e.g., $(PROJECT_DIR)/Frameworks/iPhoneOSXX.X.sdk).

2. Set the Base SDK:

  • In the same Build Settings tab, search for "Base SDK".
  • Select the SDK version you added (e.g., iPhoneOSXX.X.sdk).
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Written by
Kuba Pawlak

Kuba has over 20 years of experience in journalism, focusing on jailbreak since 2012. He has interviewed professionals from various companies. Besides journalism, Kuba specializes in video editing and drone flying. He studied IT at university before his writing career.

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