There are several ways to install an IPA file on an iOS device:
This guide focuses on — installing apps outside the official App Store. apple music ipa install
If you truly want the Apple Music experience—Lossless Audio, Spatial Audio, lyrics, and seamless iCloud sync—your best bet is to use a supported device with an active subscription. The technology is intentionally locked down, and attempts to circumvent it will only lead to frustration, expired certificates, and potentially compromised personal data. There are several ways to install an IPA