Operating SystemMTKLanguageSimplified Chinese ,Traditional Chinese,English,Spain, Japanese, French, Malaysia, German, Russian, Portugal, Italy, Korean,
Turkey, Arabic, Thai, Vietnam, Poland, Greece, Czech Republic, Persia, Indonesia, Myanmar. Customize as memory spaceMain Manuspeed dial/Smart StyleDial platecustomizeNotifiactionsPhone, SMS, call log, QQ, WeChat, whatsapp, facebook, Twitter, etc.HealthWalking, running, heart rate, blood oxygen, sedentary reminder, etc.