To install an application from an IPA file (the format for iOS apps) without using the official App Store, you must "sideload" it. This process usually requires a computer and a third-party installer. Sideloading Tools : Popular tools for this process include Cydia Impactor (though often outdated), Apple Configurator 2 for Mac users, and various third-party "signers". 7-Day Limitation
Instead of downloading a cracked IPA version of USB Disk Pro for iPhone, there are several alternative options you can consider: