Activate Iphone 6s Plus
my name is Polynice Didier Mc Kenny I have problems with my iPhone 6s plus I tried to install IOS 15 Beta developer I saw that IOS 15 was installed and it didn't want to enter the system of my iPhone so I restored it it's after being restored that my problems started by starting the device I followed the following steps press the main button to unlock>choose my country>choose a network Wi- Fi>click on next and the message appears saying Activation Impossible an update is required to activate your iPhone. Learn more about apple.com/support.
and the button that is written Turn off!
Windows, Windows 10