Apple officially unveiled iOS 15 and iPados 15 at its WWDC2021 developer conference, introducing many new features such as FaceTime sharing, focus mode, real-time text, offline Siri, redesigned notifications, and more. The first public beta of iOS 15 and iPados 15 was released on June 30.

I’m sure many Apple fans can’t wait to upgrade their experience. Here’s a step-by-step guide on how to download and install iOS 15 Open Beta.

What to do before iOS 15 update

There are still a lot of bugs and instability in the public beta of iOS 15, so it is not recommended that you update it on your major devices.

The beta version of iOS 15 is around 5GB, so make sure you have plenty of space on your iPhone before you upgrade, or you could end up with an upgrade that fails or gets stuck.

IOS 15 compatible devices include: IPhone 12, iPhone 12 Mini, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone XS, iPhone XS Max, iPhone X, iPhone XR, iPhone 8, iPhone 8 Plus, iPhone 7, iPhone 7 Plus, iPhone 6S, iPhone 6S Plus, iPhone SE (1st and 2nd generation), iPod Touch (7th generation), please make sure your device supports iOS 15 before you upgrade.

After upgrading to iOS 15, it is not possible to retain the data inside the device for downgrading. Please pay attention to backup important information of the phone before upgrading to avoid data loss (if you downgrade to iOS 14, you cannot restore the backup created in iOS 15).

How to install iOS 15 Open Beta

If you’re sure you can live with the issues after the upgrade, follow these steps to install iOS 15 Beta on your iPhone:

  1. On the devices where you need to install the beta, go to and click “Sign Up.” You will be asked to log in to your Apple ID and agree to the Terms of Service. Then download the iOS 15 Beta configuration description file directly to your device.

You can also pay attention to Fengke software public number, the background reply “iOS15”, click the link to download the description file.

  1. After downloading the beta configuration description file, you need to activate it. Open Settings, select General, scroll down to Profiles and select the iOS 15 Beta Configuration Description, and then select Enable.

  1. After downloading the configuration file and activating it, you are ready to install the beta. Connect your device to the power cord and connect to Wi-Fi to turn on the setup > regular > software update.

You should see iOS 15 public beta available for download. Click “Install” in the upper right corner, enter the password of the lock screen and restart the device after completing the installation as prompted.

If you want to downgrade to iOS 14 after you upgrade your device, you can use the Fengco Apple System Repair Tool to downgrade iOS 15 to iOS 14 with one click.