ive had this phone for about 2-3 weeks now and ive had good service until the firmware update and i was told this just made the bars more accurate allright well i was alright with that..but just recently where every i am my service is bouncing around my phone usually has 5 bars in my house right now it has 1 bar…is this a phone problem or just a problem on atts part cause i dont want the phone if it get bad service