In the last 19th July, Apple has released the iOS 9.3.3 bteta 4 for both developers and users. The update just comes a week after Apple released iOS 9.3.3 version Beta 3. It is possible that Apple will launch the official version of ioS 9.3.3 soon. In this new update, Apple only helps users correct small errors in previous iOS versions. All the new features are completely devoted to iOS 10. Right now, if you would like to experience iOS 9.3.3 beta 4, you can download and upadte via OTA or install via iTunes.
Here are links download of .IPSW file to restore via iTunes:
Install iOS 9.3.3 beta for iPhone/iPad/ iPod Touch
- Update via OTA
If you have installed a previous beta version of iOS 9.3.3, you can go to Setting> General> Update to install the new iOS 9.3.3 beta.
- Install iOS 9.3.3 beta 4 via iTunes
Step 1: Ensure that you have installed the latest version of iTunes on your Mac or PC
Step 2: Disable Find my Phone feature on your device. Go to Settings > iCloud > Find My iPhone, and move the toggle to the Off position.
Step 3: Connect the device to your Mac or PC via the USB lightning cable then launch iTunes.
Step 4: Put your device into DFU mode. Hold down both Power and Home buttons on the device for at least 10 seconds. Release Power button but still hold Home button until the device enters DFU mode. iTunes will provide an notification informing you that it has discovered a device in Recovery Mode.
Step 5: In iTunes interface, hold Option key on the Mac, or Shift key on Windows, then click the “Restore iPhone” button.
Step 6: Choose the folder that contains the iOS 9.3.3 beta 4 firmware you have downloaded. iTunes will then start the process of installing iOS 9.3.3 beta version on your device.
Step 7: Do not unplug the device until iTunes has successfully confirmed the restoration process and the device has rebooted into the starting screen.
Your device now runs at the latest version of iOS 9.3.3.
Besides iOS, Apple has also introduced a new beta version for OSX and tvOS. The Beta versions are ready for developers and users to experience. You can download and install via OTA in tvOS, and Update on the Mac App Store.