Step 02: Connect your iOS device to iTunes through your computer. Solution 02: Another solution would reseting your iOS device to it’s factory settings Step 01: Check if your OSX & iTunes is up to date using software update. If you try to use a manual updater that's not designed for your Mac, or if it's not needed, the installer alerts you and the software isn't installed. I am 100 Assure that you will able to update your Apps & download new one with this tweak. If the firmware version you see in System Information is newer than what's listed for your Mac, you don't need to apply the updates listed for that model.
Select the Hardware section to view the Model Identifier, Boot ROM version, and SMC version numbers.Apple Menu > About this Mac > Overview > System report Use these steps to check your Mac's EFI Boot ROM and SMC firmware versions. If you don't see a firmware version listed in this article, it means that either a firmware update is only available as an automatic update, or no firmware update is needed. If your Mac needs a firmware update and it isn't installed automatically, check to see if a manual updater is listed below. Apple staggers them in a (usually unsuccessful) attempt to manage the load on the download servers. However, not all notifications go out at the same time. Some firmware updates are also available as downloads you can install manually. iOS update notifications appear on the iOS device and in iTunes (if it is launched) on your computer. Most firmware updates are automatically installed when you update or upgrade OS X.
