: Open AltStore on your iPhone, go to the My Apps tab, and tap Refresh All . This attempts to re-sign your apps with a fresh profile.
: Ensure both your computer and iOS device are set to "Set Automatically." If the times are out of sync, the security certificate will appear invalid. Remove Existing Profiles : altstore-the-provisioning-profile-is-invalid
: If you are on a public or work Wi-Fi, the network may be blocking the "Bonjour" service AltStore uses to communicate, causing profile generation to fail. : Open AltStore on your iPhone, go to
For further help, you can check the AltStore Troubleshooting Guide on GitHub or the AltStore FAQ for region-specific issues. : Open AltStore on your iPhone