Cause: Expired GPG keys or Cydia Substrate issues.
Fix: Add the repository manually (as shown above). If the error persists, use the manual .deb method. The "verified" status often relies on hash matching—cross-check the file size against the official release notes.
Filza can install .deb packages manually. If Cydia is crashing, you can still install tweaks by downloading .deb files in Safari, then opening them in Filza and tapping "Install." filza file manager ios 935 verified
Cause: You are in the sandboxed container.
Fix: Tap the "Star" icon at the bottom → "Root" → navigate manually to /. Verified Filza on iOS 9.3.5 always prompts for root access on first launch. Cause: Expired GPG keys or Cydia Substrate issues
Connect to network shares: