Let us know in the comments what you are using it for. Disclaimer: Modifying system files and jailbreaking voids your warranty and can lead to boot loops. Proceed at your own risk.
If you are still holding onto a device running —likely an iPhone 4s, iPad 2, iPad 3, or iPod touch 5th generation—you know the struggle. Modern apps require iOS 10 or later, and the stock "Files" app doesn't exist on your device. filza file manager ios 9.3.5
Open Cydia (the classic package manager). Add the official repository (if needed) or simply search for "Filza File Manager." Install the version labeled for iOS 7 through iOS 10. Let us know in the comments what you are using it for
Filza File Manager on iOS 9.3.5: The Last Stop for 32-Bit File Management filza file manager ios 9.3.5