Update fails to download: Ensure your online connection is consistent and try again. Install fails to install: Verify that the update file is valid and try again. PS3 locks or crashes during update: Power-cycle your PS3 and try the update process again.
Method Two: Update through a USB drive
Steps to Download plus Install PlayStation 3 Firmware 4.88 Downloading plus installing the PS3 system software 4.88 is a simple straightforward task. Here’s a detailed tutorial: Method 1: Updating over the Internet ps3 firmware 4.88 download