However, each device has various ways to enter the update mode and particular steps that should be taken for a successful upgrade, therefore make sure you read the product's installation guide. When it comes to the update method, usually, you must copy the firmware file onto a compatible memory card, insert it into the camera, and browse from the menu to the device's update section. Moreover, make sure that the battery is fully charged and don't use the camera's buttons while the installation is in progress. This process isn't intended to be destructive, but still, it's best to save all your personal data and configurations before applying a different firmware.

It is recommended that changing the camera's firmware be performed when the new release resolves an issue that your device has been encountering, or adds a new feature (or enhances an existing one) that could prove useful for you. However, bear in mind that applying an earlier build might not always be possible. On the other hand, downgrading the camera's firmware can recover its functionality in the unlikely event the currently installed version is faulty or the device's performance dropped after an upgrade. Updating to a newer firmware version than the one already installed on your camera can improve the device's overall performance and stability, resolve various issues, and add support for newly developed features or enhance existing ones. EOS-1D Mark III About Digital Camera Updates: EOS Kiss X50 / EOS REBEL T3 / EOS 1100D EOS Kiss X6i / EOS REBEL T4i / EOS 650D

EOS Kiss X7i / EOS REBEL T5i / EOS 700D EOS Kiss X70 / EOS REBEL T5 / EOS 1200D / EOS Hi (Operation is not guaranteed on machines that have been upgraded.) PCs with one of the supported OSes above pre installed, that have USB ports as standard equipment. After the installation is complete, the EOS Utility installer may ask to restart the computer. Follow the on-screen instructions to complete the installation. (If the User Account Control window appears, follow the on-screen instructions to proceed.) Run the extracted file and installation for EOS Utility will begin. Download the page to a folder of your choice on your computer, and extract it. Make sure that at least one of the following applications is installed: EOS Utility, EOS Viewer Utility, Camera Window DSLR, File Viewer Utility Exit all other applications when installing this software.

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