My iPad Air has the iOS 15 beta profile installed but it isn't

beta profile ios 15Download iOS 15 Public Beta Profile on Your iPhone. Once you have backed up your data, enroll your iPhone for iOS 15 public beta and install the beta profile. Remember,Learn how to download and install iOS 15 beta on your iPhone, iPad or iPod touch using a confuration profile or an IPSW file. Find the links to download iOS 15 beta from