Many older Minecraft IPAs are 32-bit builds . These will generally only run on iOS 10 or earlier ; modern 64-bit devices (iPhone 5s and newer on iOS 11+) may not support them without significant workarounds.
Installing an old version on iOS is more complex than on Android due to Apple's security restrictions. Minecraft 1.1.5 Ipa
Older iOS devices (like the iPhone 5 or iPad 4) often struggle with the resource-heavy updates of modern Minecraft. 1.1.5 is frequently cited as one of the best-performing versions for legacy hardware. Many older Minecraft IPAs are 32-bit builds
When searching for a "Minecraft 1.1.5 IPA," it is vital to prioritize security: How To Download Old IPA Files From The App Store Minecraft 1.1.5 Ipa