The activation process involves installing a sim card from your current carrier into your new iPhone and then setting up the phone. Please follow this support article from Apple to find and open the SIM tray and install your new SIM card: support.apple.com/en-us/HT201337
To transfer data from a previous iOS device to your new iPhone you may use Quick Start, iCloud, or iTunes. Please see this support article from Apple for details: support.apple.com/en-us/HT201269.
Download the Move to iOS app to get help switching from your Android device to your new iPhone. Please use this support article from Apple as a guide: support.apple.com/en-us/HT201196.
For iPhone 7, please visit apple.com/iphone-7/specs/ and for iPhone 6s please visit apple.com/iphone-6s/specs/
Please visit our Terms & Policies page more information.