Method one: Please restart your iPhone.
Please restart your iPhone to set your iPhone in unjailbroken mode.
You can freely switch your iPhone between jailbroken mode and unjailbroken mode.
Method two: Using 3uTools to flash your iPhone.
Warm prompt: You can use 3uTools to flash your iPhone to iOS 9.3.3 or other available iOS versions.
Step1: Download and install the latest 3uTools on your PC. Connect your iPhone to PC using the USB cable. After it’s connected, please click the button “Flash Jailbreak”, and then click the button “Easy flash”. Next, 3uTools will automatically show you the available firmware. (If 3uTools gives you a reminder that “Connection Timeout”, you need to set your iPhone in Recovery mode or DFU mode. And after it’s connected, 3uTools will automatically show you the available firmware. )
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