For unsigned apps, you must first sign them using your Apple ID or a developer certificate to make them runnable on iOS.
Tap and enter your device passcode to authorize the connection. how to install ipa file with 3utools
For standard (non-jailbroken) devices, some IPAs may require App Signing before they can be installed. Tools like Sideloadly are often used if 3uTools fails due to signing errors. How to Associate IPA Files on iPhone Using 3uTools? For unsigned apps, you must first sign them
Before installation, the IPA file needs a signature. You can use your personal Apple ID for a free 7-day signature or a developer certificate for a 1-year signature. Open IPA Signature : Launch the 3uTools desktop app and navigate to the tab at the top, then select IPA Signature Add Your IPA Add IPA File and select the file you want to install from your computer. Choose Signing Method Sign with Apple ID Add Apple ID Tools like Sideloadly are often used if 3uTools