To install Null’s Brawl on an iOS device, users typically need to download the IPA file and use a sideloading tool like AltStore or Cydia Impactor. The process involves installing the sideloading tool on a computer, connecting the iOS device, and then transferring the IPA file to the device. It's important to note that since this is an unofficial version, users should exercise caution and ensure they are downloading files from reputable sources like
https://nullbrawlapks.org/nulls-brawl-ios/ avoid potential security risks.