Jailbreaking
A very important part in video game preservation is “jailbreaking”. This is the act of unlocking the potential of modern physical consoles to do things they weren't able to do before. One crucial part that's enabled through jailbreaking is the ability to dump games through original consoles such as the Nintendo DS and PlayStation Vita.
Before jailbreaking your console, it is worth backing up its writable storage, to preserve the pre-modification state. Or even better, do this before first booting the console.
For jailbreaking various devices, we recommend the following guides: