I leave it off. I like to know when I'm using my download allowance and when I'm using WIFI. I can't imagine there being that much of a benefit to using both at the same time.
Posted via the Android Central App
I wish ATT would let us use this.
E means edge. 2g speeds. You're on T-Mobile so you shouldn't be surprised.
Posted via the Android Central App
If you don't care about data usage then leave it on
Sent from my Verizon Samsung Galaxy Note 4