You need a network connection to verify this iPhone. You need a place with a network to connect your mobile phone to the Internet, and then your mobile phone will automatically connect to Apple's server to verify this mobile phone. This will happen when the iPhone is started.

if you are using a cellular data connection, please connect to a reliable Wi-Fi network instead. if you still can't activate, please follow the following steps to activate your iPhone through iTunes: make sure you have the latest version of Mac OS or iTunes.

Extended information:

Like Apple's Mac operating system, IOS is also a UNIX-like commercial operating system. At first, this system was called iPhone OS, because iPad, iPhone and iPod touch all use iPhone OS, so it was renamed as iOS at the WWDC conference in 21 (iOS is Cisco).

At 1: am on June 4, 219, at the WWDC Global Developers Conference 219, Apple released a new IOS operating system. The new version of IOS can realize voice control. On September 11th, Apple announced that it will launch the official version of IOS 13 on September 19th, 219, supporting iPhone6S and subsequent models.

On October 29th, 219, Apple pushed the official version of iOS 13.2 and added support for AirPods Pro.

Apple official website-If the iPhone cannot be activated,