Copy data - device switch

How to migrate data after changing to a new phone. This application can quickly transfer contacts, calendar items, photos and videos to another device. No need to connect to the Internet, your data will not be uploaded, it is very safe. 1)Both devices must install and open the application. 2)The sending device and the receiving device are connected to the same wifi (local area network). 3)Allows to search for devices in the local network in the app.