It sounds like you’re looking for a to add the package CyDown — or asking what the feature of CyDown is when used with Sileo.
https://cydia.akemi.ai/ After adding, search for and install. Make sure it matches your iOS version and jailbreak — read the package description. 4. Warning CyDown is sometimes flagged as “potentially unwanted” because its bypass features can be used for piracy (downloading paid tweaks’ .debs without purchase). Many legitimate repos block users with CyDown installed. cydown for sileo
https://julio.hackyouriphone.org/ Or the original (less updated): It sounds like you’re looking for a to