Apple's iPad Air and iPad mini with Retina display will be available on the DoCoMo network beginning on June 10.

Apple's share of Japan's smartphone market is continuing to rocket off the back of its deal with NTT DoCoMo.

Apple's iPhone 5s and iPhone 5c are doing well in Japan, according to recent data.

T-Mobile's share of U.S. smartphone sales is increasing thanks to the iPhone.

Customers in Japan can effectively grab an iPhone 5s with no upfront cost thanks to competition between carriers.

Japan's NTT DoCoMo is set to bring Apple's iPhone 5s and iPhone 5c to its 60 million customers.

Apple is said to be in talks with NTT DoCoMo, Japan's largest wireless carrier.