The "Loader For iPhone7 2-n61ap Not Found UnlockTool REPACK" issue can be frustrating, but it can be resolved by trying the solutions outlined in this article. By updating UnlockTool to the latest version, reinstalling the loader file, verifying device model and firmware information, or using a different UnlockTool version (REPACK), you should be able to resolve the issue and successfully unlock your iPhone 7 2-N61AP device.
If the device still isn't recognized after changing the model, ensure you have the 64-bit drivers installed and that your PC is in if prompted. Use Pwndfu Mode: Most ramdisk operations require the phone to be in Pwndfu (Gaster)