Samsung duos total space as shown in system storage is 4 Gigabyte. But application manager shows total space of 60 'Mb'? i cant install any application.
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Welcome to Android Enthusiasts! Please start with taking a look at our insufficient-memory tag-wiki, which holds some background and first-aid on this frequently asked question. – Izzy♦ Jul 22 '16 at 13:18
Try moving some apps to SD card in app settings
