T-Mobile MDA (Mobile Digital Assistant) is a series of T-Mobile-branded phones manufactured by HTC Corporation of Taiwan: + European modelsPhoneBrand Byof original modelT-Mobile MDA (Europe)T-MobileHTC WallabyT-Mobile MDA IIT-MobileHTC HimalayaT-Mobile MDA IIIT-MobileHTC Blue Angel +United States modelsPhoneBrand byof original modelAvailability(HTC)Operating SystemT-Mobile MDA (US)T-Mobile USAHTC Wizard 2002005-10Windows Mobile 5.0T-Mobile MDA AmeoT-MobileHTC Athena 1002003-07Windows Mobile 5.0 Pocket PC Phone Edition for X7500 (T-Mobile Optional Update to WM6),Windows Mobile 6 Professional for X7501,Windows Mobile 6.1 for X7510T-Mobile MDA CompactT-MobileHTC Magician2004-12Windows Mobile 2003 Second EditionT-Mobile MDA Compact IIT-MobileHTC Charmer2003-06Windows Mobile 5T-Mobile MDA Compact IIIT-MobileHTC Artemis 1102006-10Windows Mobile 5.0 Pocket PC Phone Edition;Windows Mobile 6 ProfessionalT-Mobile MDA Compact IVT-MobileHTC Diamond2008-05Windows Mobile 6.1 ProfessionalT-Mobile MDA Compact VT-MobileHTC Touch Diamond 22009 Q2Windows Mobile 6.1 (upgradeable to Windows Mobile 6.5)T-Mobile MDA MailT-MobileHTC Excalibur 160,with the Wi-Fi chip removed2006Windows Mobile 5.0 / 6.0 Smartphone EditionT-Mobile MDA ProT-MobileHTC Universal2005 Q3Windows Mobile 5.0T-Mobile MDA TouchT-MobileHTC Elf 3002006-07Windows Mobile 6.0T-Mobile MDA Touch 256T-MobileHTC Elfin 3002007-11Windows Mobile 6.0 (upgradeable to Windows Mobile 6.1)T-Mobile MDA Touch PlusT-MobileHTC Niki 2002008 (T-MobileT-Mobile MDA Software Update )Windows Mobile 6 ProfessionalT-Mobile MDA VarioT-MobileHTC Wizard 2002005-10Windows Mobile 5.0T-Mobile MDA Vario IIT-MobileHTC Hermes 3002006-06Windows Mobile 5.0, upgradeable to Windows Mobile 6T-Mobile MDA Vario IIIT-MobileHTC Kaiser 1202007-09Windows Mobile 6.1T-Mobile MDA Vario IVT-MobileHTC Raphael2008-08Windows Mobile 6.1 Professional
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