instal the last version for iphoneBurnAware Pro + Free 17.2

Always keep a backup in case you need to restore your data if you restore your device.

Enter your iPhone passcode once prompted to proceed.Note: You must have an active internet connection as it will check the IPSW signing status before it will proceed with the update. Hold down Option + Check for Update and select the appropriate IPSW file for your device (whether you're updating to a newer/beta firmware, reinstalling the same firmware or downgrading to previous firmware while retaining all your data) downloaded from Apple using your free developer account.Do an encrypted backup in Finder in case you need to restore your device.You will need to install either Xcode beta or MobileDevice.pkg which can be extracted from the Xcode beta (tap with two finger or right click to Show Package Content>Contents>Resources>Packages>MobileDevice.pkg - this will work on older Macs that do not support the latest macOS or Xcode beta).Troubleshoot: Sometimes, the beta update will not show so you may need to enable/disable Airplane Mode or restart your device before rechecking for update. Wait for the next public release or follow the guide below to install the IPSW release build.Turn off the Beta Updates (you can also sign out of your Apple ID to unlink your developer account).If you no longer wish to receive beta updates: Do an encrypted backup or iCloud backup before installing the beta from release build.Select which beta you would like to receive (Public/Developer).Check and sign into the right Apple ID to access beta.Enable Beta Updates (Settings>General>Software Updates>Beta Updates).

Instal the last version for iphoneBurnAware Pro + Free 17.2