Do you want to install unsigned apps on your s60v3 & can't find it anywhere.well here is simple steps with screenshots to install unsigned apps or unsigned N-gage games.
follow these steps to install Unsigned BiNPDA files,or another kind of apps for s60v3 devices,and your Phone will not ask for Certificate errors...anymore.

Record all your Mobile Phone conversations automatically without the hassles of pressing a button, and no interfering beep noise.Xelnex Lite Mobile Voice RecordingXelnex Lite is an application for recording all incoming and outgoing calls on your phone without the hassle of pressing a button. Nokia recording software currently has the limitation of a key that need to be pressed in order to activate the recording of the conversation, and also has a 60 second limitation on the length of the call.

DVDPlayer is a full screen video player for Series 60 phones.

BitDefender Mobile Security provides permanent antivirus protection for mobile devices running Symbian™ or Microsoft® Windows Mobile™. Relying on the valuable BitDefender experience in fighting computer threats, BitDefender Mobile Security is a light, easy to use instrument that will keep your mobile device on the move.