Gta-iii-v1-unk-phone4s-univ-64bit-os80-ok13-user-hidden-bfi-ipa

That filename looks like a very specific (an iOS application archive) for a modified or "cracked" version of Grand Theft Auto III . Based on the naming convention, File Name Breakdown

Installing .ipa files from unofficial sources requires tools (like AltStore, Sideloadly, or TrollStore). Since this specific filename looks like it comes from a "scene" or modding community, be aware that: That filename looks like a very specific (an

: Originally optimized for iPhone 4S but marked as "Universal" (works on iPads and newer iPhones). or : Likely version 1.x

: Grand Theft Auto III (the 10th Anniversary Edition for mobile). That filename looks like a very specific (an

Are you trying to get this specific version running on a modern device, or

: Likely version 1.x, with "unk" potentially meaning "unknown" build or a custom modification.