Sorry, I'm a little new to the AT&T Note 3 as I was used to T-Mobile and their phones (still use their network by the way)...So, I was looking around to see if I could switch my network modes (e.g. GSM,WCDMA,LTE, or combinations of both). Its pretty helpful if you need to switch to WCDMA,GSM, or other modes. Some of you may know it, but I am new to this stuff and hopefully I help others who don't know much about this either. On your dialer, enter *#*#4636#*#* then press device information and you'll be able to switch network modes! Just found that out and wanted to enlighten others. Press that thumbs up if this was somewhat helpful!