You upload the IPA to the AmS1gn interface, select your certificate, and hit sign.
If you are looking to use AmS1gn, the workflow generally follows these steps: ams1gn ipa hot
The "hot" status of AmS1gn comes down to three main factors: You upload the IPA to the AmS1gn interface,
While free tools like AltStore or Sideloadly require a PC and a "refresh" every 7 days, AmS1gn (often paired with premium certificates) allows apps to remain active for months at a time. select your certificate