Cydia.invoxiplaygames.uk Certificates ((hot)) 〈FHD — 4K〉

Are you trying to fix a in Cydia on an older device? IPG's Cydia Repo

On newer legacy versions (like iOS 10), you must go to Settings > General > About > Certificate Trust Settings and toggle the switch for the newly installed certificate to "On". Essential Tweaks for Legacy Devices cydia.invoxiplaygames.uk certificates