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| Phone | Samsung SCH-A570 | Siemens SL55 | BlackBerry 7750 | Sanyo MM-5600 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? | ? |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
101 x 80 pixels LCD (STN) |
240 x 240 pixels LCD (Color) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 500 mAh | ? | 1,000 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | - | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | - | ? |
| Front Camera | - | - | - | - |
| Weight |
3.6 oz (102g) |
2.79 oz (79g) |
5.01 oz (142g) |
4.52 oz (128g) |
| Dimensions |
3.3" x 1.8" x 0.9" (84 x 46 x 22.9 mm) |
3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
3.66" x 1.91" x 1.04" (93 x 49 x 26.4 mm) |
| Form Factor | Clamshell | Slide | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | BlackBerry OS | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | 1xRTT | GPRS | 1xRTT | 1xRTT |
| Features | ||||
| Flashlight | - | - | - | Yes |
| GPS / Location | Yes | - | n/a | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | - |
Yes M4 (very compatible) |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | Yes |
| Ringer Profiles | - | Yes | Yes | - |
| Connectivity | ||||
| Infrared (IR) | - | Yes | - | - |
| USB | - | - | Yes | Yes |
| Contacts | ||||
| Picture ID | - | Yes | n/a | Yes |
| Ringer ID | - | Yes | n/a | Yes |
| Voice Dialing | Yes | Yes | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | - | n/a | Yes |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | - | - | Yes |
| Messaging | ||||
| Email Client | - | Yes | n/a | - |
| EMS / Picture Messaging | Yes | Yes | n/a | - |
| MMS | - | Yes | n/a | - |
| Text Messaging Templates | Yes | Yes | n/a | - |
| Music | ||||
| Music Player | - | - | n/a | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | Yes | Yes | n/a | Yes |
| Voice Memo | Yes | Yes | n/a | Yes |
| Software | ||||
| BREW | Yes | - | n/a | - |
| Games | Yes | Yes | n/a | Yes |
| Java (J2ME) | - | Yes | n/a | Yes |
| Voice | ||||
| Call Screening | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | n/a | Yes |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | - | Yes | - | Yes |
| Samsung SCH-A570 | Siemens SL55 | BlackBerry 7750 | Sanyo MM-5600 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A570 | Siemens SL55 | BlackBerry 7750 | Sanyo MM-5600 |
