https://wccftech.com/download-ios-11-2-5-tvos-11-2-5-public-beta-released-download-right-now/

Good news, as you can now download iOS 11.2.5 Public Beta and tvOS 11.2.5 Public Beta on your compatible device absolutely free.

Apple released iOS 11.2.5 and tvOS 11.2.5 to registered developers this week. Thankfully, if you are a public tester, you too can get in on the action absolutely free. Simply head over to beta.apple.com and sign in with the Apple ID on which you wish to test out the new beta software. Once you are done, simply enroll your device and you are good to go.