How to Enable Developer Mode on iPhone with iOS 17

iOS 17 brings exciting new features and updates to the iPhone. One of those features is an improved Developer Mode that provides developers with more tools and options for building and testing apps. Enabling Developer Mode on your iPhone running iOS 17 is easy and straightforward. In this guide, we’ll walk you through the entire process, step-by-step.

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Developer Mode unlocks additional tools, settings, and capabilities that developers need when building, testing, and debugging apps on an iPhone. When enabled, you get access to features like app debugging, log collection, simulated device testing, and more. It’s important for anyone interested in iOS development and app creation.

Here are some of the key things you can do with Developer Mode enabled on your iPhone running iOS 17:

  • Debug apps directly on your device using Xcode
  • Access device logs for troubleshooting app issues
  • Use simulated device testing to check app behavior across multiple device types
  • Install unsigned/unreleased apps for testing purposes
  • Enable deeper analytical app diagnostics and performance profiling

The process to turn on Developer Mode is straightforward, but there are a few prerequisites you need:

  • An iPhone running iOS 17
  • An Apple developer account
  • Xcode developer tools installed on your Mac

We’ll cover all the steps involved in getting Developer Mode up and running on your iPhone using iOS 17.


Before you can enable Developer Mode, you need to ensure you have the following:

Apple Developer Account

You need to have a paid Apple Developer account in order to access Developer Mode as well as download and install beta releases of iOS. This gives you a Developer license that allows you to test pre-release software, install unsigned apps, and submit apps to the App Store.

You can enroll in the Apple Developer Program directly on Apple’s website. The cost is $99 per year.

Updated to iOS 17

Obviously, you’ll need to have your iPhone updated to the latest iOS 17 release. As long as your iPhone model supports iOS 17, you can install it by going to Settings > General > Software Update and downloading the latest update.

Make sure your iPhone is charged and connected to Wi-Fi, as the iOS 17 update file size is large.


The Xcode developer tools for macOS allow you to build, test, and publish apps for Apple platforms like iOS. You’ll need to have the latest version of Xcode installed on your Mac in order to enable Developer Mode on your iPhone.

You can get Xcode for free from the Mac App Store. The latest version fully supports iOS 17 and has the tools you need for development and testing.

With those prerequisites in place, you’re ready to turn on Developer Mode on your iPhone.

Enabling Developer Mode

Here are the steps to get Developer Mode up and running on your iPhone with iOS 17:

  1. Open the Settings app on your iPhone.
  2. Scroll down and tap on Privacy & Security.
  3. Under the Developer section, tap on Developer Mode.
  4. Toggle the switch for Developer Mode to the ON position.

<img src=”images/developer-mode.png” width=”300″ alt=”Enabling Developer Mode in Settings”>

That’s it! Developer Mode is now activated on your iPhone.

Some additional settings and options will appear across iOS related to development, debugging, and device management that weren’t previously available.

Using Developer Mode

With Developer Mode enabled on your iPhone, you unlock a whole suite of new tools and capabilities. Here are some of the things you can now do:

Install Unsigned Apps

The main benefit of Developer Mode is the ability to install unsigned (unreleased) apps on your device for testing purposes. These are apps that haven’t been submitted to the App Store and signed by Apple.

You can install unsigned apps by connecting your iPhone to Xcode and running them directly on your device. This is great for testing apps still in development.

Device Logging

Extensive logs are now available on your device related to system events, app performance, crashes, and other analytics.

You can view logs directly on your device or use Xcode to access them on your Mac. Logs are invaluable for troubleshooting app issues.

Simulated Device Testing

The Xcode simulator allows you to test how your app performs across various Apple devices like iPhones, iPads and Apple Watches.

With Developer Mode, you get access to advanced simulated device testing configurations from within Xcode to fine tune testing.

App Diagnostics

Additional app diagnostic tools are unlocked with Developer Mode, like tracking detailed system utilization metrics for CPU, memory, network usage, and more.

This helps you profile app performance, optimize operations, and pinpoint areas for improvement.

Advanced Debugging

When running an app from Xcode, Developer Mode enables more advanced debugging with additional data metrics and crash insights that aren’t available normally through iOS.

Beta Software Testing

Apple’s beta software testing programs like TestFlight require Developer Mode. So turning it on allows you to install and test out iOS/iPadOS/watchOS/tvOS betas as they are released.

Developer Mode Considerations

While enabling Developer Mode unlocks many useful development features, there are some important things to keep in mind:

  • Battery life may take a hit since device logging and diagnostics are running.
  • Apps and system stability may be reduced since you’ll be running beta iOS versions and unsigned code.
  • Advanced app analytics utilize more device resources which can impact performance.
  • Apple recommends keeping Developer Mode disabled when not actively developing/testing.
  • Unauthorized modifications to system files and settings may void your device’s warranty.

So only keep Developer Mode enabled when you need it to build, test, and debug apps or utilize development tools. Make sure to disable it when not needed.

Useful Developer Resources

Here are some additional Apple Developer resources useful for app creation now that you have Developer Mode set up:

Disabling Developer Mode

When you no longer need access to the development features enabled by Developer Mode, you can simply turn it off:

  1. Go back to Settings > Privacy & Security > Developer Mode.
  2. Toggle the switch to the OFF position to disable Developer Mode.

Any unsigned apps or unreleased software installed via Developer Mode will no longer open. And your device will revert back to its normal non-development state.

It’s recommended to keep Developer Mode disabled when you aren’t actively building, testing or debugging apps. This improves stability, security, and battery life on your iPhone.


With iOS 17, enabling Developer Mode on your iPhone is easier than ever. Just a quick toggle of a switch gives you access to invaluable tools for app creation. You can install unsigned code, view diagnostic system logs, utilize advanced debugging features with Xcode, and much more.

But remember to disable Developer Mode when you aren’t actively developing. And make sure to take advantage of all the great Apple developer resources available to help you build the next great iOS app!

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