Apple Misses IPhone Customers With Global Carriers Balking

Apple Misses IPhone Customers With Global Carriers Balking

Kiyoshi Ota/Bloomberg

An attendee uses his mobile phone as he looks at the selection of NTT DoCoMo Inc.'s new smartphones and tablet devices during a product launch in Tokyo. Apple’s closed ecosystem makes it harder to integrate into DoCoMo’s plan to link devices and services.