If you can’t update wirelessly on your i OS device, you can update manually using i Tunes on a computer that you trust.
Please check our Jailbreak i OS 9.3.4, i OS 9.3.5 category page for the latest update.
Rest of the steps are exactly similar to the guide posted here: How to: Jailbreak i OS 4.2.1 untethered with Greenpois0n RC5 Download Greenpois0n [All Versions]Jailbreak i Pad 2Jailbreak Me 3.0 to Jailbreak i OS 4.3 Untethered!
It was released on 25th of August for the public by Apple.
Because Wi-Fi issues vary depending on different network setups, different fixes work for different users.
These following methods have proven to repair Wi-Fi issues on i Phone, i Pad and i Pod devices.