To install an IPA file that isn't from the official App Store, you generally need a sideloading tool. This is a popular "no-jailbreak" way to install IPA files.

A desktop-based alternative to AltStore that allows you to drag and drop IPA files to install them directly onto your device via USB.

While this specific file naming convention is common in third-party app repositories or "tweak" communities, it typically refers to a modified or specific version of a . What the Filename Means

You install AltServer on a computer (Mac or PC) and then use it to install the AltStore app on your phone.