SAMSUNG IS THE MOBILE PHONE AND IM TELLING ABOUT YOU ABOUT SAMSUNG B310E MOBILE. I AM ALSO USED THIS MOBILE. IN THE FIRST TIME IT WORKS CONTINUESLY TILL 1 YEAR AND THE BATTERY LIFE IS ALSO VERY HIGH. THE MODEL, IT IS MY FIRST MOBILE AND I THINK IT WORKS GOOD FOR ME. BUT IT IS NOT WORKED PROPERLY TILL IM USING THAT MOBILE TO 1 YEAR. AFTER SOME TIME IT WORKS NOT PROPERLY. AND SLOWLY IT DISCRESES ITS BATTERY LIFE AND IN SOME TIMES IT SWITCH OFF AUTOMATIC OR AUTOMATICALLY. THIS TYPE OF WORKING OF THE MOBILE IS VERY SLOW AND I DO NOT LIKE IT. AND THE MECHANICAL PROPERTYS OF THE MOBILE IS HIGH AND ITS KEY PAD BRIDTH ALSO VERY THIN. AND ONE MORE IMPORTANT ISSUE, THAT IS , WHEN MY FRIENDS ARE MESSAGED ME, IT DONT SHOW ANY NOTIFICATIONS. AND IM ALSO FACED THIS PROBLEM. SO FRIENDS MY SUGGESTION IS BUY THE QUANTITY MOBILE AND PURCHASE THE MOBILE PHONE , DO NOT WORRY ABOUT COST. AND IT IS DEPENDS ON YOURS. THANK Q FRIENDS