Cannot download system software ps4 6.71
You can download the update file for reinstallation from playstation.com.' Following the The firmware file is approx. 785MB.(This is the one you need) www.playstation.com/en-us/support/system-updates/ps4/#newinstallation. Scroll all the PC application software for modifying PS4 save data System Software version 6.71 or older *Tethering is not recommended due to large data transfer size; PS4 and PSN ID; USB PC application software for editing PS4 game saves! New games cannot be added manually, but we do update the game list regularly