Finding a "better" KV usually means sourcing one that is . Shared KVs are sold to multiple people and typically get banned within hours. For a more stable experience, users often look for reputable sellers on community forums or use legacy consoles as donors.
When a modified console connects to Xbox Live without adequate protection, Microsoft blacklists the KV, not necessarily the physical hardware itself. download kvbin xbox 360 better
The KV.bin file contains unique identification data for your Xbox 360, including the console ID, serial number, and DVD drive key. Finding a "better" KV usually means sourcing one that is