Universal-Updater is a highly maintained, multi-purpose store for the 3DS that handles Luma3DS updates much more reliably. It functions like an unofficial App Store, allowing you to download and update Luma3DS, FBI, Checkpoint, and hundreds of other homebrew applications without ever touching a PC. How to Manually Update Luma3DS Today

(Dangerous, obsolete, and replaced by vastly superior tools.)

If you are currently on an older version and need to update to the patched 2.6 release without a PC: : Launch the FBI app on your 3DS.

Warning: This method involves trusting a third-party server. Only use if you understand the security risks.

Tonight, however, everything changed. A woman had found him. Not a cop—their boots were too heavy, their questions too blunt. No, this woman was a specter. She wore a coat made of reprogrammed chameleon-fabric, shifting between the colors of the rusted ductwork behind her. Her name was Eris.