SAK is a popular GUI-based tool designed to make handling Switch files—specifically converting NSZ to NSP, patching, and managing keys—easier. However, a common roadblock, especially around mid-2021 when firmware updates were rapidly changing, was the error message:
When using the tool, the presence and correctness of the keys.dat or prod.keys files are essential for nearly all game file manipulations, including converting, patching, or extracting firmware. Are the 2021 Keys Still Correct?
To circle back to the original topic: SAK is a tool, not a dataset. If you use SAK on an updated Switch, the keys it produces are . sak are the keysdat prodkeys correct 2021
The prod.keys file is a collection of cryptographic keys derived from the Nintendo Switch hardware. These keys are essential for:
Select the option to or EmuNAND depending on where your highest firmware is installed. SAK is a popular GUI-based tool designed to
Despite the name confusion, represents a persistent troubleshooting query. The answer? SAK definitely accepts both files, but neither will work unless they are modern, properly placed, and prioritized over hidden system files. Most issues trace back to outdated keys or a conflicted hactool path.
Using keys from a 2020 firmware on a 2021 game. To circle back to the original topic: SAK
: Power off the console, insert the SD card into your PC, and navigate to the /switch/ folder.
If you download a file named SAK_keysdat_prodkeys_2021.rar from a torrent site, here is what you will typically find:
To legally obtain the correct, up-to-date keys, use a homebrew tool like Lockpick_RCM on your custom-firmware-enabled Nintendo Switch console. This extracts the newest keys directly from your console’s hardware memory after you install the latest system update.
SAK will fail to "Patch NSP" or will fail to convert files, displaying an error about invalid signatures or missing keys.