How can I take advantage of LTE on my Samsung Galaxy S4 purchased in the UK? I recently got a sim card for my S4 from AT&T and it is saying that it is under HSPA but I was told it is LTE compatible. The model number is GT-i9505 for this UK version. I understand this will be under non-certified servi

Hello,  My wife and I are switching to AT&T and bringing our own phones.  We're experiencing perfect functionality after the in-store tech set up our APN.  He couldn't get us connected to 4G, though, so our phones are only displaying the H+ symbol.  4G might be a deal-breaker for us, and I'm trying

Recently I received a text that I was at 75% of my 5GB "limit" (although I have an grandfathered unlimited data plan) and after I hit the "limit", the 4G HSPA+ on my phone would no longer work, and I had to turn on LTE. Normally I have LTE turned off because I find it drains my battery, but I could

Called AT&T about no internetz and didn't get a fix. Had connection problems with my sonim. Switched my prepaid sim from my sonim xp5s to my samsung tab a. Now I can at least make calls and text. No dice on internet. Also kept getting a "Sign in to network" notification that sent me to a page that s

Hello everyone, I am about to get a good deal on a Elephone P7000, from what I have gathered, it will work on the 3g HSPA+ network but not in 4g. If anyone can ship in on this I'll apreciate it.    Wireless&Networks: Wifi frequency:2.4G/5GFDD-LTE:band 1/3/7/20 (800/1800/2100/2600)WCDMA:band 1/2/5/8