E. Over-the-air (OTA) distribution
Since iOS 5.1.1 is strictly 32-bit, you must avoid any IPA built for iOS 7+ or containing an ARM64 binary. ipa ios 5.1.1
Most modern apps (WhatsApp, Chrome, modern banking apps) will work. iPad 1st gen
iOS 5.1.1 is a historic firmware version, released in May 2012 for devices like the iPhone 3GS, iPhone 4, iPad 1st gen, iPad 2, and iPod touch 3rd/4th gen. While nearly obsolete today, enthusiasts and developers still work with this version to run legacy apps. The key to installing software on iOS 5.1.1 is the —the standard iOS application package. ipa ios 5.1.1