If you saw this on a developer screen or error log, it is not a user-facing name. For support or troubleshooting, search for "iPad Pro 12.9 2nd Gen" instead.
Here is the breakdown of what n61ap refers to: If you saw this on a developer screen
If you are looking to restore or downgrade your iPhone 6 (N61AP) to an older iOS version using tools like (Prometheus), you will need specific files and blobs: If you saw this on a developer screen