Use iMazing on a Mac or PC to import the .ipa file directly into your device's library and install it. :
If you still want to attempt an installation on a jailbroken legacy device, community-maintained archives are the best source: Internet Archive: iOS 4.0-4.2 IPA Games Collection Subway Surfers (iOS All Version) repository host older iOS Obscura: Subway Surfers Ipa Ios 4.2.1 BETTER Download
Installing these older files on a device running iOS 4.2.1 usually requires: Jailbreaking: Use iMazing on a Mac or PC to import the
: You can find an extensive directory of Subway Surfers IPA files ranging from version 1.0.1 up to more recent builds. : If you previously owned Subway Surfers on
: Use tools like Sideloadly or AltStore (if compatible) to move the IPA file from your computer to your device.
: If you previously owned Subway Surfers on your Apple ID, you can sometimes go to the Purchased tab on your device's App Store. iOS may offer to download the "last compatible version" for your specific software. Why Newer Versions Won't Work