Import Hex profile (How to import?)
Or click“New Project”and drag blocks step by step
(3)Procedures:
For Apple devices, enter this link
https://www.microbit.org/get-started/user-guide/ble-ios/ with your
computer first, and then click “Download pairing HEX file”to download
the Micro: Bit firmware to a folder or desk, and upload the downloaded
firmware to the Micro: Bit main board V2.