For the entire year, however, Samsung firmly held on to the top slot.
According to Gartner, the US-based firm captured a 20.4 per cent share (74.83 million units shipped) of the global smartphone market, which saw over 367.48 million units being shipped in the October-December 2014 quarter.
Samsung, which had a 24.4 per cent share in the third quarter of 2014, saw its share declining to 19.9 per cent in the last quarter of the year with shipment of 73.03 million smartphones.
Samsung continues to struggle to control its falling smartphone share, which was at its highest in the third quarter of 2013 at 29.5 per cent, he added.
"This downward trend shows that Samsung's share of profitable premium smartphone users has come under significant pressure," Gupta said.
Gartner Research Director Roberta Cozza said while Apple dominated the premium phone market and Chinese vendors are increasingly offering quality hardware at lower prices, Samsung can secure more loyalty and longer-term differentiation at the high end of the market through a solid ecosystem of apps, content and services.
In 2014, total smartphone shipment totalled 1.2 billion units, up 28.4 per cent from 2013 and represented two-thirds of global mobile phone sales.
Lenovo (along with Motorola sales) had a 6.6 per cent share, followed by Huawei (5.5 per cent) and Xiaomi (5.1 per cent) in October-December 2014 quarter.
Chinese vendors like Huawei and Xiaomi are continuing to improve their sales in China and other overseas markets, increasing their share in the mid to low-end smartphone market.
Brand building and marketing will be key activities in deciding which Chinese vendors can secure a foothold in mature markets, she added.
