After one day, Apple released Public Version for those who want to try the new operating system iOS, iOS 9 public beta on your iPhone, iPod Touch, IPAD.
If you did this and installed iOS 9 in beta, but you are not satisfied with it, you have two options to return the final iOS 8.4 system The simplest method is to have made a backup PC through icloud or where you can easily get to the restore option.
If you do not have a backup, you carefully follow the following tutorial, you’ll probably manage to download to install iOS iPhone or iPad in which you installed iOS 9 public beta .
How to return to iOS 8.4 after installing iOS 9 public beta on iPhone, iPad or iPod Touch [ downgrade iOS 8.4 Without backup]
1. Connect the device to your Apple computer and open iTunes.
2. Always turn off the Find My iPhone Settings> iCloud> Find My iPhone
3. Place the device in DFU mode. Recovery mode. To do this, hold down the Home button simultaneously if Sleep for 12 seconds then release the sleep button and continue holding the Home button.
4. When your iPhone in DFU mode entered a notice to appear in iTunes. Click OK in the dialog box opens iTunes.
5. Click Restore iPhone.
You will have to wait a while until iTunes iOS 8.4 is downloaded to your computer and then follow the installation of iOS on your iPhone / iPad or iPod Touch.