T-Mobile MDA (Mobile Digital Assistant) is a series of T-Mobile-branded phones manufactured by HTC Corporation of Taiwan:
| + European models | |||
| Phone | Brand By | of original model | |
|---|---|---|---|
| T-Mobile MDA (Europe) | T-Mobile | HTC Wallaby | |
| T-Mobile MDA II | T-Mobile | HTC Himalaya | |
| T-Mobile MDA III | T-Mobile | HTC Blue Angel |
| +United States models | |||||
| Phone | Brand by | of original model | Availability (HTC) | Operating System | |
|---|---|---|---|---|---|
| T-Mobile MDA (US) | nowrap | T-Mobile USA | HTC Wizard 200 | 2005-10 | Windows Mobile 5.0 |
| T-Mobile MDA Ameo | T-Mobile | HTC Athena 100 | 2003-07 | Windows 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 X7510 | |
| T-Mobile MDA Compact | T-Mobile | HTC Magician | 2004-12 | Windows Mobile 2003 Second Edition | |
| T-Mobile MDA Compact II | T-Mobile | HTC Charmer | 2003-06 | Windows Mobile 5 | |
| T-Mobile MDA Compact III | T-Mobile | HTC Artemis 110 | 2006-10 | Windows Mobile 5.0 Pocket PC Phone Edition; Windows Mobile 6 Professional | |
| nowrap | T-Mobile MDA Compact IV | T-Mobile | HTC Diamond | 2008-05 | Windows Mobile 6.1 Professional |
| T-Mobile MDA Compact V | T-Mobile | HTC Touch Diamond 2 | 2009 Q2 | Windows Mobile 6.1 (upgradeable to Windows Mobile 6.5) | |
| T-Mobile MDA Mail | T-Mobile | HTC Excalibur 160, with the Wi-Fi chip removed | 2006 | Windows Mobile 5.0 / 6.0 Smartphone Edition | |
| T-Mobile MDA Pro | T-Mobile | HTC Universal | 2005 Q3 | Windows Mobile 5.0 | |
| T-Mobile MDA Touch | T-Mobile | HTC Elf 300 | 2006-07 | Windows Mobile 6.0 | |
| T-Mobile MDA Touch 256 | T-Mobile | HTC Elfin 300 | 2007-11 | Windows Mobile 6.0 (upgradeable to Windows Mobile 6.1) | |
| T-Mobile MDA Touch Plus | T-Mobile | HTC Niki 200 | nowrap | 2008 (T-Mobile[1]) | Windows Mobile 6 Professional |
| T-Mobile MDA Vario | T-Mobile | HTC Wizard 200 | 2005-10 | Windows Mobile 5.0 | |
| T-Mobile MDA Vario II | T-Mobile | HTC Hermes 300 | 2006-06 | Windows Mobile 5.0, upgradeable to Windows Mobile 6 | |
| T-Mobile MDA Vario III | T-Mobile | HTC Kaiser 120 | 2007-09 | Windows Mobile 6.1 | |
| T-Mobile MDA Vario IV | T-Mobile | HTC Raphael | 2008-08 | Windows Mobile 6.1 Professional | |