We're not talking about iPhone 5 when we're talking about 4G phones and sure Apple doesn't have it for now and may be for the next few months, hopefully not "years". Wait for the iPhone 6 or 7?. So whats your next LTE 4G phone?
Motorola Droid Bionic MOTXT875 - the very well known dual-core LTE phone, delayed many times make us not sure any more is it real or not.
SGSII - Verizon LTE 4G version of the famous Samsung Galaxy S II, rumored appears in Europe as Samsung Celox, 4.3" Super Am-Oled plus display, has all Galaxy II features.
LG Revolution II LG-VS920 - Revolution LTE successor, Mentioned appears on Verizon roadmaps, not yet rumored specs so far, possibly using the new name, instead of "Revolution II", dual-core processor, 4.5" HD Display.
Beast by DR. Dre HTC Vigor ADR6425- Thunderbolt Successor, rumored specs include : 1.5 Ghz dual-core processor, Beast by DR. Dre, 4,5 inches display, 720p HD resolution, Android 2.3.4, LTE 4G connectivity, 8MP main camera, 2 MP front facing, HTC sense UI 3.5, 1 GB RAM and 16 GB internal memory.
Meanwhile, from AT&T's house also appeared several LTE 4G phone candidates, including rumored Motorola Atrix LTE version and HTC Puccini LTE. Both will probably be available early in 2012. Although we know, August 21 AT&T will officially launch its first 2 pieces of LTE 4G devices, USBConnect Momentum 4G - LTE 4G USB modem and Elevate the 4G - LTE Mi-Fi (Mobile Hotspot), while the phones and tablets are not for this year.