On your device, you can go to Settings > General > Software Update and at the top there will be an option for beta updates. Tap that and you can select the public beta or developer beta. You can also check out the Apple Beta Software Program site as well.
On your device, you can go to Settings > General > Software Update and at the top there will be an option for beta updates. Tap that and you can select the public beta or developer beta. You can also check out the Apple Beta Software Program site as well.
I hope this helps.