Google's Nexus 4, which comes with a 4.7-inch 720p HD display and Qualcomm quad-core Snapdragon S4 processor, is expected to become a popular model in the prepaid SIM card segment as well as in telecom retail channels for unlocked subscribers, according to Digitimes Research.

With its high hardware specifications and pricing of US$299 for the 8GB version and US$349 for the 16GB version, the Nexus 4 will cause price pressure on other comparable models rolled by rival brands.

Sales of Windows phones are expected to grow 250% in 2013 due in part to support from telecom carriers which are seeking a third platform other than Android or iOS. However, Android will continue to lead the market with a wide margin, Digitimes Research said.