Apple is expected to launch a new version of its popular iPhone handset next year that will include an embedded 4G LTE radio. In line with numerous rumors to the same effect, DigiTimes on Tuesday reported that Apple is prepping a 4G LTE-compatible iPhone that is expected by its anonymous industry sources to launch in 2012. The report also claimed that Nokia, RIM and Sony Ericsson will launch LTE phones next year, joining popular LTE-enabled smartphone vendors Samsung, HTC, Motorola and LG. Citing the GSMA, DigiTimes notes that there are currently 35 live LTE networks around the world and that number is expected to surpass 100 by the end of 2012. Market research firm In-Stat expects shipments of 4G LTE handsets to surpass 154 million units in 2015.