It sounds like you're asking for a better way to download KV.bin files for an Xbox 360 (likely for RGH/JTAG consoles, used in console modding/stealth servers).
Some stealth servers (like Xbone, Proto, or Cipher) provide free KV.bin files as part of their setup kits. These are often pre-tested. download kvbin xbox 360 better
How are you planning to use the KV—are you looking to unban a console or just back up your original files? Xbox 360 Store and Xbox 360 Marketplace FAQ | Xbox Support It sounds like you're asking for a better
If you are still trying to "download a better KV.bin," you might be looking in the wrong place. Here is the reality: download kvbin xbox 360 better