The main challenge with iOS 9.3.5 is the lack of a single, perfect tool. Instead, you have several options, each with its own approach.
Because of the enterprise certificate, the Phoenix app may stop working every 7 days (if signed with a free Apple ID) or every year. If it crashes, you will need to re-install it.
As of 2026, there are two primary ways to get Cydia on your iOS 9.3.5 device. 1. Carbon (Web-Based - Recommended)
Security & Compatibility Considerations
iOS 9.3.5 jailbreaks support 32-bit devices. Ensure your device is one of the following: iPhone 4s, iPhone 5, iPhone 5c iPad 2, iPad 3, iPad 4, iPad mini 1 iPod touch 5G
Once you have Cydia installed, you can unlock the true potential of your 32-bit device.
To help you get started with customization or troubleshooting, let me know: What of device are you jailbreaking?