Mere Samsung galaxy S5 hai. Aik to us main touch screen ka masla hai. Jb typing k doran G aor H k button dabao to Space ka button press ho jata hai. Is ki touchscreen callibration kese thek kron. Dosra ye msla hai k is ki internal memory computer me data cable se lagao to 800+ mb show hoti hai. Jab k wese mobile me jao to 16.4 gb show hoti hai. To kia iski real me 16 gb memory hai ya 800 mb. Plz jawab zror daina. Thanks