With global smartphone shipments increasing the market share in developed and developing markets in Q1 2013, we estimate the top 10 smartphone model families accounted for almost five out of seven smartphones shipped worldwide during the quarter.

Our Handset Country Share Tracker (HCST) service are tracking the quartery global shipments of top 35 well-known and well-received smartphone models from Samsung (Galaxy), Apple (iPhone), LG (Optimus), Nokia(Lumia), Blackberry (BB10), HTC (One), Motorola (Razr) and the rising Chinese vendors including Huawei, ZTE, Lenovo and Xiaomi from Q1 2011 to Q1 2013 in this published report.