http://dus01.ps3.update.playstation.net/update/ps3/image/sa/2021_0609_3a006fcbedb8cbf13149c6ef7c2e873e/PS3UPDAT.PUP
If you are updating an old console, consider changing the thermal paste while you're at it—your PS3 will thank you for the breath of fresh air! atualização ps3 4.88
Some game discs contain older firmware (e.g., 4.46, 4.70). They will not install 4.88 unless a specific 4.88 disc exists (rare). http://dus01