: You must obtain your device's UDID to use the signing service.

: Visit the official AmS1gn website and use their UDID retrieval tool to identify your device.

Once the certificate is trusted, the application can safely execute on your device. How to Install APK Files on iPhone With Ams1gn

Once the setup is complete, you can begin using the platform to install custom IPA files. Launch the app from your home screen.

Revisit Settings > Privacy & Security > Developer Mode , turn it off and back on, and complete the forced device restart. Security and Best Practices

: Once registered, navigate to the "Start" section on the website to download the Ams1gn profile. Trust the Profile : Open Settings > General > VPN & Device Management .

Navigate to , then scroll down to VPN & Device Management .

: Once a UDID is registered with Apple, it cannot be changed or transferred to a new device.

Select the blue option at the top of the screen. Confirm your choice on the system security dialog popup.

: Go to the AltStore website ( https://altstore.io ) and download the version for your computer.

If "Ams1gn" refers to a specific app or tool you're trying to install: