: Tap on "Back" and then select "Activation Help". The device should attempt to activate.
If you're unable to bypass Activation Lock using the above methods, you can try contacting Apple Support directly. They may request proof of ownership and assist you in removing the Activation Lock.
: A popular tool among enthusiasts that can be used to downgrade the device to iOS 6.1.3 , where it may be easier to hacktivate or bypass the lock.
Ensure the iPhone is connected to Wi-Fi or a cellular network. Go to the home screen and tap on Settings > [Your Name]. If you see "Activation Lock," it means the feature is enabled.