: Most modern apps (like Netflix) require newer iOS versions and may not run even after jailbreaking. You can sometimes bypass this by downloading "Last Compatible Versions" from your App Store purchase history. Semi-Untethered Nature
For years, users on and 9.3.6 were limited to semi-untethered jailbreaks, such as Phoenix , which required re-activating the jailbreak via an app after every reboot. However, as of March 2026 , a fully untethered jailbreak has been released, allowing the device to remain jailbroken persistently without user intervention during startup. The Evolution of iOS 9.3.5 Jailbreaking
For over a decade, iOS 9.3.5 has held a unique and somewhat notorious place in Apple’s history. Released as an emergency patch in August 2016, it was designed to close a set of the most dangerous "zero-day" vulnerabilities ever found in iOS—exploits that could remotely jailbreak an iPhone with just a single malicious link. Ironically, this very security update also became a dead end for many users on older 32‑bit devices (iPhone 4S, iPad 2, etc.) that cannot upgrade beyond iOS 9.3.5 or its final sibling, 9.3.6.
Most modern jailbreaks for this firmware require you to re-run an app every time your device restarts. However, a specialized tool called ios 9.3.5 untethered jailbreak
Do not let the clickbait videos fool you. If you want an untethered experience on that hardware, downgrade to iOS 8.4.1. If you must stay on 9.3.5 for app compatibility, embrace the Phoenix. It is stable, secure, and—given the age of the OS—the best you are going to get.
This method involves downloading the app directly from a third-party store, which may require you to "Trust" the app creator.
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Open the app and tap "Prepare for Jailbreak." The device will respring, and Cydia will appear on your home screen. Why Jailbreak iOS 9.3.5 Today?
Reconnect your device to your computer and reinstall the app via Sideloadly. Your tweaks will not be lost. 2. "Jailbreak Failed" or Boot Loops
: Open the app on your device, tap "Prepare for Jailbreak," and follow the prompts. Once the device reboots, Cydia will be available. Apply Untether Tweak However, as of March 2026 , a fully
Because Phoenix is semi‑untethered, every time you reboot your device, you must reopen the Phoenix app and tap to re‑enable Cydia and your tweaks.
: iOS 9.3.5 is too old for the modern App Store. Jailbreaking allows you to use tweaks like Checkmate, Store! to bypass "Incompatible Version" errors and download the last working version of apps.