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| Phone | HTC Wing / P4350 (Herald) | Siemens A56 / A56i | Motorola W175 | Palm Treo Pro (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.8" diag. 4 : 3 |
? | ? | ? |
| Display Resolution & Type |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
101 x 64 pixels |
128 x 128 pixels LCD (STN) |
320 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,130 mAh | 700 mAh | ? | 1,500 mAh |
| Processor | 201 MHz TI OMAP 850 | ? | ? | 528 MHz Qualcomm MSM7501a |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | - | - | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | - | ? |
| Front Camera | - | - | - | - |
| Weight |
5.93 oz (168g) |
3 oz (85g) |
3 oz (85g) |
4.69 oz (133g) |
| Dimensions |
4.3" x 2.3" x 0.7" (109 x 58 x 17.8 mm) |
4" x 1.7" x 0.8" (102 x 43 x 20.3 mm) |
4.49" x 1.69" x 0.55" (114 x 43 x 14 mm) |
4.49" x 2.36" x 0.53" (114 x 60 x 13.5 mm) |
| Form Factor | Slide | Slab | Slab | Slab |
| Platform / OS | Windows Mobile Professional | (proprietary) | (proprietary) | Windows Mobile Professional |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
GSM: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | EDGE | - | - | EVDO rA |
| Features | ||||
| GPS / Location | n/a | Yes | - | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | - | n/a |
| Hearing Aid Compatible | - | - | - | Yes |
| Multiple Languages | n/a | - | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
- | - |
Yes Classic Audio |
| Infrared (IR) | - | - | - | Yes |
| USB |
Yes Mini-USB |
- | Yes |
Yes Micro-USB |
| Wi-Fi |
Yes 802.11 b,g |
- | - |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | n/a | Yes | - | n/a |
| Ringer ID | n/a | Yes | - | n/a |
| Voice Dialing | n/a | - | - | n/a |
| Customization | ||||
| Changeable Body Plates | - | Yes | - | - |
| Custom Graphics | n/a | Yes | - | n/a |
| Custom Ringtones | n/a | Yes | - | n/a |
| Real-Music Ringers | n/a | - | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | - | - | n/a |
| External Antenna Jack | n/a | - | - | n/a |
| WAP / Web Browser | n/a | Yes | - | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | - | - | Yes |
| Stylus | - | - | - | Yes |
| Text Keyboard, Hardware | Yes | - | - | Yes |
| Touch Screen | Yes | - | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | n/a | - | - | n/a |
| EMS / Picture Messaging | n/a | Yes | - | n/a |
| Instant Messaging | n/a | - | - | n/a |
| MMS | n/a | - | - | n/a |
| Text Messaging Templates | n/a | - | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | n/a | - | - | n/a |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | - | Yes | n/a |
| To-Do List | n/a | - | - | n/a |
| Voice Memo | n/a | - | - | n/a |
| Software | ||||
| Games | n/a | Yes | Yes | n/a |
| Java (J2ME) | n/a | - | - | n/a |
| Voice | ||||
| Speaker Phone | Yes | - | Yes | Yes |
| * Some versions only | ||||
| HTC Wing / P4350 (Herald) | Siemens A56 / A56i | Motorola W175 | Palm Treo Pro (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | HTC Wing / P4350 (Herald) | Siemens A56 / A56i | Motorola W175 | Palm Treo Pro (CDMA) |










