How to download iOS 10 public beta 3 to your iPhone or iPad

Before you begin, make sure you back up your iPhone or iPad. While the beta process is fairly straight forward, any time you make any significant change to your device you risk problems. And with your personal data, it's always — always! — better to be safe than sorry. Even if you back up every night, you'll want to make sure it's absolutely up-to-date.

How to make an archived backup of your iPhone or iPad

Plug iPhone or iPad into your Mac or Windows PC.
Launch iTunes.
Click on the iPhone or iPad icon in the menu bar when it appears.
Make sure backup is set to This Computer. (And enable Encrypted backup — it's worth it!)
Click on Back Up Now. (Click on Encrypt Backup and add a password — you want the security.)
Back up Apps, if asked.
Press Command, to open Preferences. (Or go to iTunes in the menu bar and click on Preferences.
Click on the Devices tab.
Option-click on your Backup and choose Archive.

How to register your account for the iOS 10 public beta

Go to beta.apple.com on the iPhone or iPad you want to enroll in the beta.
Tap on Sign up to get started. (If you've already signed up for a previous public beta, tap on Sign in and skip to our "How to enroll your device" section below.)
Enter you Apple ID email address and password.
Tap Sign in.
Tap Accept to agree to the terms and conditions.

How to enroll your iPhone or iPad in the iOS 10 public beta

Note: If you've been on a previous iOS public beta, you may need to remove the previous beta profile before installing the iOS 10 version. You can do so by going to Settings > General > Profile, selecting the iOS Beta Software Profile, and pressing Delete Profile.

Go to beta.apple.com, if you're not there already.
Tap the iOS tab, if it's not highlighted already.
Tap on Download profile.
Tap on Install in the upper right corner.
Enter your Passcode.
Tap on Install, this time to consent to the beta agreement. (Read it: There are risks to any beta.)
Tap on Install at the bottom to confirm. (Yes, you need to be really sure.)
Tap on Restart to reboot your device.

How to install the iOS 10 public beta

Launch Settings from your Home screen, tap on General, then tap on Software Update.
Once the update appears, tap on Download and Install.
Enter your Passcode.
Tap Agree to the Terms and Conditions.
Tap Agree again to confirm.

How to get started with iOS 10 public beta

Once your iPhone or iPad reboots, it'll be running iOS 10. There's a brief piece of setup you'll have to experience, in any case, as the framework will have sufficiently changed that it'll require your login to finish the overhaul.