| Requirement | Details |
|-------------|---------|
| Architecture | armv7 / armv7s only (no arm64). Apps compiled for 64-bit (iPhone 5s or newer minimum) will not install. |
| Minimum iOS version | The IPA’s Info.plist must have MinimumOSVersion ≤ 7.1.2. Newer apps (even 32-bit) often require iOS 8+. |
| Encryption | IPAs directly from App Store are FairPlay encrypted to your Apple ID. You cannot install someone else’s encrypted IPA without their Apple ID credentials. |
If you are willing to jailbreak your device, the process becomes much easier. iOS 7.1.2 can be jailbroken using the Pangu tool. ipa files for ios 7.1.2
An .ipa (iOS App Store Package) file is the application archive for iOS. It contains the compiled app code, images, and metadata. For iOS 7.1.2, only 32-bit IPAs work (iPhone 5 and earlier, iPad 4th gen and earlier, iPod touch 5th gen). Newer apps (even 32-bit) often require iOS 8+