AltStore is an alternative app store for iOS devices that allows you to install apps that aren't available on the official App Store. It's a popular choice among developers and users who want to test apps without having to jailbreak their devices.
Your device’s Unique Device Identifier (UDID) to register for the service. Steps to Install AmS1gn on iOS Register Your UDID: how to install ams1gn on ios patched
: AmS1gn is typically a paid service. You will need to select a plan and provide your UDID to have your device added to their signing certificate. AltStore is an alternative app store for iOS
If you are using the app to sign and install compatible files (often referred to as the "AmS1gn" or "Amzine" method), follow these common steps described by Top Selection and other tech guides : Steps to Install AmS1gn on iOS Register Your