UnKeySign
UnKeySign

OldOS

zzanehip · v1.0.0 · 186.2 MB
com.zurac.OldOS
Sign & Install with UnKeySign

About

An interesting project, emulating iOS 4 on new iPhones! Status: ✅

How to install OldOS on iOS

  1. Download UnKeySign on your iPhone
  2. Import OldOS IPA into UnKeySign
  3. Add your P12 certificate and provisioning profile
  4. Tap Sign — the app installs automatically
Source: Fastsign · Last updated: 4/14/2026