Those are also OEM from a Shenzhen company called Tinno Mobile. Rakuten doesn't make phones themselves. 1: https://ja.wikipedia.org/wiki/Tinno_Mobile https://j

Those are also OEM from a Shenzhen company called Tinno Mobile. Rakuten doesn't make phones themselves. 1: https://ja.wikipedia.org/wiki/Tinno_Mobile https://ja.wikipedia.org/wiki/Tinno_Mobile 2: http://blogofmobile.com/article/133155 http://blogofmobile.com/article/133155