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| Phone | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | HTC Shadow | Casio G'zOne Boulder | Motorola Backflip |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.6" diag. 4 : 3 |
2" diag. 4 : 3 |
3.1" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~186 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,490 mAh | 920 mAh | 810 mAh | 1,400 mAh |
| Processor | 400 MHz Intel XScale | 200 MHz OMAP 850 | ? | 528 MHz Qualcomm MSM7201a |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 2 megapixel | 1 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | ? | ? | CIF (352 x 288) |
| Front Camera | - | - | - | - |
| Weight |
7.41 oz (210g) |
5.29 oz (150g) |
4.9 oz (139g) |
4.7 oz (133g) |
| Dimensions |
4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm) |
4.06" x 2.09" x 0.59" (103 x 53 x 15 mm) |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm) |
| Form Factor | Slide | Slide | Clamshell | Clamshell |
| Platform / OS | Windows Mobile Professional | Windows Mobile Standard | (proprietary) | Android |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | EDGE | EVDO rA | HSPA 7.2 |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | n/a | n/a | Yes | n/a |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | Yes | Yes |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | - | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | Yes | - | - | - |
| USB | Yes |
Yes Mini-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | Yes |
Yes 802.11 b,g |
- |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | n/a |
| Ringer ID | n/a | n/a | Yes | n/a |
| Voice Dialing | n/a | n/a | Yes | n/a |
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - |
| Custom Graphics | n/a | n/a | Yes | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | n/a |
| WAP / Web Browser | n/a | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | - | Yes |
| Touch Screen | Yes | - | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | - | n/a |
| EMS / Picture Messaging | n/a | n/a | Yes | n/a |
| Instant Messaging | n/a | n/a | - | n/a |
| MMS | n/a | n/a | Yes | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | n/a | n/a | Yes | n/a |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | Yes | n/a |
| To-Do List | n/a | n/a | - | n/a |
| Voice Memo | n/a | n/a | Yes | n/a |
| Software | ||||
| BREW | n/a | n/a | Yes | n/a |
| Games | n/a | n/a | Yes | n/a |
| Java (J2ME) | n/a | n/a | - | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | n/a | - | n/a |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | HTC Shadow | Casio G'zOne Boulder | Motorola Backflip | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | HTC Shadow | Casio G'zOne Boulder | Motorola Backflip |







