: Change the extension from .zip back to .ipa .

: The main directory containing the application bundle ( .app ).

The reasons for editing an IPA fall into several legitimate categories:

Here are some best practices to keep in mind when editing IPA files:

To bypass this, you must the modified IPA file using a valid provisioning profile and certificate. Top Tools for Re-Signing IPAs

For more, explore the Sideloadly and AltStore documentation for official instructions on managing app signatures in 2026. If you'd like, I can:

Option A: Using Sideloadly or Cydia Impactor (Free/Personal Account)