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| Phone | HP iPAQ 510 Voice Messenger | Samsung SCH-A990 | HTC Touch Pro2 (GSM) / Tilt 2 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
? |
3.6" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~259 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | 1,100 mAh | 1,000 mAh | 1,500 mAh |
| Processor | 200 MHz TI OMAP 850 | ? | 528 MHz Qualcomm MSM7200A |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 3 megapixel | 3 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QCIF (176 x 144) | ? | ? |
| Front Camera | - | - | - |
| Weight |
3.6 oz (102g) |
4.4 oz (125g) |
6.61 oz (187g) |
| Dimensions |
4.21" x 1.91" x 0.64" (107 x 49 x 16.3 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.59" x 2.36" x 0.68" (117 x 60 x 17.3 mm) |
| Form Factor | Slab | Clamshell | Slab |
| Platform / OS | Windows Mobile Standard | (proprietary) | Windows Mobile Professional |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | EDGE | EVDO r0 | HSPA 7.2 |
| Features | |||
| Flashlight | - | Yes | - |
| GPS / Location | n/a | Yes | n/a |
| Accessibility | |||
| Adjustable Text Size | n/a | - | n/a |
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Extra Display | - | Yes | - |
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| USB |
Yes Mini-USB |
Yes | Yes |
| 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 | Yes | n/a |
| Customization | |||
| Custom Graphics | n/a | Yes | n/a |
| Custom Ringtones | n/a | Yes | n/a |
| Real-Music Ringers | n/a | Yes | n/a |
| Data & Network | |||
| Data Tethering | n/a | Yes | n/a |
| WAP / Web Browser | n/a | Yes | n/a |
| Input | |||
| Predictive Text Entry | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Stylus | - | - | Yes |
| Text Keyboard, Hardware | - | - | Yes |
| Touch Screen | - | - | Yes |
| Memory | |||
| Memory Card Slot | Yes | 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 | Yes | n/a |
| Text Messaging Templates | n/a | Yes | n/a |
| Music | |||
| Music Player | n/a | Yes | n/a |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| TV Output | - | Yes | Yes |
| Video Calling | n/a | - | n/a |
| Productivity | |||
| Alarm | n/a | Yes | n/a |
| Calculator | n/a | Yes | n/a |
| Calendar | n/a | Yes | n/a |
| To-Do List | n/a | - | n/a |
| Voice Memo | n/a | Yes | n/a |
| Software | |||
| BREW | n/a | Yes | n/a |
| Games | n/a | Yes | n/a |
| Java (J2ME) | n/a | - | n/a |
| Voice | |||
| Headset Jack (2.5 mm) | n/a | - | n/a |
| Push-To-Talk | - | - | Yes * |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| HP iPAQ 510 Voice Messenger | Samsung SCH-A990 | HTC Touch Pro2 (GSM) / Tilt 2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | HP iPAQ 510 Voice Messenger | Samsung SCH-A990 | HTC Touch Pro2 (GSM) / Tilt 2 |
