I AM ON ATT NETWORK HAD OS 76 IT WAS SLOW BUT EDGE WAS GREAT ,UPGRADED TO 113 NOW THE PHONE IS GREAT,FAST WITH A FULL KEYBOARD BUT MY EDGE CHANGES TO edge WHENEVER I TRY TO GO ONLINE OR YOUTUBE OR ANYTHING RELATED THEN GOES BACK TO EDGE AFTER 2 TO 3 MINUTES ,IF I USE ONLY MY EMAIL IT WILL STAY AT EDGE,PLEASE HELP..IS IT THE SOFTWARE??