Updating custom firmware in itunes
Download the i OS IPSW file[ links below ] that relates to your specific i OS device. Additionally,it also designed for restore i OS system to normal state on i Phone/i Pad.
Note that you can use i OS 9.0.1, or i OS 9.0 and then update to i OS 9.0.1 after installation is complete.
If your i OS device is a jailbroken one, then it will be updated to non-jailbroken.
If you have unlocked your i OS device before, then it will be re-locked again.
IPSW File on your i Phone,please click the “Select” button the import the files to the IPSW Files Installation Tools and going on.
Tips: If you want to install i OS 10.3.3 on your i Phone, i Pad or i Pod touch,please select,download and install it on your i OS devices directly,during the installing process,it won’t cause data loss. Install the i OS 11/10/9 IPSW File on i Phone without Data Loss Note: Once finish this restoring job, your i Phone/i Pad/i Pod Touch will be updated to the i OS version which you select.