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If you have an iFile .deb file, you can manually install it using a few different approaches.
Verdict For users on iOS 9.3.5 with a jailbreak who need robust on-device file management, iFile remains a solid, capable choice—powerful and feature-rich. However, it requires caution due to root access, and many users prefer Filza for a more modern experience. If you proceed, use a version built for iOS 9, keep backups, and install from trustworthy sources.
iFile is the classic file manager for managing system files, installing .deb packages, and sideloading. Installation: Jailbreak via Phœnix first.
Move, copy, paste, delete, and rename any system file.
iOS 9.3.5 is a unique firmware. For many 32-bit devices, it is the end of the road. Because these devices often struggle with modern app requirements, users turn to jailbreaking to keep them snappy. iFile is the "Swiss Army Knife" for this firmware, allowing you to:
Excellent for managing app sandboxes, backups, and media files without risking system instability. Summary of Precautions
If you are jailbroken, installing the "AppSync Unified" tweak from Cydia allows you to install fake-signed IPAs permanently without them expiring every 7 days. Step-by-Step Installation Methods
Because you are hunting for an "IPA" for an unsupported OS, you will encounter errors. Here is how to solve them.
For many users on iOS 9.3.5, iFile was used to keep aging hardware relevant. It was the primary tool for "manual" sideloading and tweaking. If an app was no longer supported on the App Store, users would use iFile to modify the Info.plist
Use it as a , not as your daily driver.