Now remove all 'iOS Beta' profiles that you have installed, including the iOS 10 public beta profile (this will avoid errors).

Follow the General route → Profile and device management that you can find almost at the bottom of the screen.

Open the Settings application on your iPhone or iPad.The steps to follow in this case are the following: In this case, we must delete the previously installed profile as this is the one that is interfering with the installation. The second case: if you had previously installed the iOS 10 developer beta. Download it and the installation shouldn't give you a problem. The availability of the software will appear again.Go to Settings → General → Software update.Now, just in case, turn your iPhone or iPad off and on again.There should be the iOS 10 public beta 1 software downloaded.Open the Settings app and go to General → Storage & iCloud → Manage Storage.In this case, all you have to do is follow these steps: If you didn't install the first beta version of iOS 10 that was only aimed at developers, the problem is that the software has not been downloaded in the correct way, probably due to any type of error or failure in the process. We will start with the simplest situation.

Ios 10 public beta profile download