ZTE, a Chinese smartphone vendor and the world's 7th biggest smartphone player during Q2 2015, has surged to no. 3 smartphone vendor at AT&T USA during the quarter, only behind Apple and Samsung.

ZTE has been doing smartphone business with tier-1 and 2 carriers very patiently in the US smartphone market for a long time, and several strategic points such as prepaid, LTE phablet, affordable/decent-quality, sports sponsorship and country-specific features can be attributed to the primary factors behind ZTE's quiet, but solid success at AT&T USA and in the US smartphone market.

The ZTE's smartphone volume and market share by 4 major US carriers and total market can be viewed here while the in-depth analysis can be avaiable at this insight report.