It sounds like you're asking about "Deep Feature" (a music track), "JGM Future x Melon" (likely artists/producers), and downloading it on a new iPhone.
Safety First: Only download .ipa files from verified developers to protect your data. jgmfut x melon download iphone new
Official Alternative: If you prefer a stable, non-modded experience, you can download the official MADFUT 26 directly from the App Store. It sounds like you're asking about "Deep Feature"
For standard football card games without emulators, you can find the official EA SPORTS FC Mobile directly on the iOS App Store set up JIT for MeloNX on your specific iOS version? madfut 26 - App Store Safety First : Only download
Step 3: Open SideStore, tap the "+" icon, and select the downloaded file to install it.