If an update is cancelled before completion, the system software may become damaged, and the system may require servicing or exchange.

Do not turn off the PS3 system during an update. If the System Software field displays the version number of the update, the update was successful. After the update has been completed, go to Settings > System Settings > System Information. Follow the on-screen instructions to complete the update. Press the X button to start the update. The system automatically searches for and finds the update data saved on the storage media or USB device. From the home menu, select Settings > System Update, and then press the X button. Insert the storage media or USB device that contains the update data in the PS3 system. Download the update data and save it in the 'UPDATE' folder. Within the PS3 folder, create a folder named 'UPDATE'. Using a PC, create a folder named “PS3” on the storage media or USB device. Now that you have this, we recommend you setup FTP to enable you to transfer files back and forth from your computer to your console via the network.- Create a folder on the storage media in which to save the update data (ROOT/PS3/UPDATE. You should now have 4.89 CFW installed on your PS3.Now that the USB has 4.89 CFW, you need to plug it back into the console, and Update via Storage Media again. Drag the UPDATE folder into the PS3 folder, and accept overwrites.To do this, power off your console and remove the USB stick, and plug it into your computer. You should now be able to install custom firmware on your device. This should take around 10 minutes to complete. Once the console has loaded, head to Settings – > System Update -> Update via Storage Media -> Proceed Plug the USB into the PS3 console (off), and then turn it on.This folder contains the PS3 downgrade for 4.89 OFW to 3.55 OFW. Place the PS3 folder from the extracted folder on to the USB drives root directory.At the same time, plug in your USB flash drive. By clicking the button below it will take you to the download page. Download the latest ps3 jailbreak firmware.It can be found here and also confirm your console is compatible with this link. Ensure your PS3 is updated to the latest Original Firmware 4.89, do that by checking system information.

4.78 custom firmware ps3