All personal content will be deleted from the device.This option will reflash the software, even if your device already has the latest version of software.The Rescue option should be used for a device that cannot power up correctly or is having software related issues.If the device is already on current software, the Upgrade option will not be available.Personal data is not removed from the device after software is flashed.The Upgrade option should be used if new sofware is available to upgrade your phone.
What is the difference between Upgrade and Rescue?
