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| Phone | Siemens C56 | Samsung SCH-A990 | Motorola Charm | BlackBerry Pearl 3G 9100 / 9105 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
2.8" diag. 4 : 3 |
2.3" diag. 1 : 1 |
| Display Resolution & Type | 101 x 64 pixels |
240 x 320 pixels LCD (TFT/TFD) |
320 x 240 pixels (~143 ppi) LCD (TFT/TFD) |
360 x 400 pixels (~238 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 700 mAh | 1,000 mAh | 1,170 mAh | 1,150 mAh |
| Processor | ? | ? | 720 MHz TI OMAP3410 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 3 megapixel | 3 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | ? | ? |
| Front Camera | - | - | - | - |
| Weight |
3 oz (85g) |
4.4 oz (125g) |
3.88 oz (110g) |
3.3 oz (94g) |
| Dimensions |
3.98" x 1.73" x 0.83" (101 x 44 x 21.1 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm) |
4.25" x 1.96" x 0.52" (108 x 50 x 13.2 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | BlackBerry OS |
| Network Bands |
GSM: 850, 1900 |
CDMA: 850, 1900 |
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| Data Technology | GPRS | EVDO r0 | HSDPA 3.6 | HSDPA 3.6 |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | Yes | Yes | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | n/a |
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
- |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | Yes | - | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| USB | Yes | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | - | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a |
| Voice Dialing | Yes | Yes | n/a | n/a |
| Customization | ||||
| Changeable Body Plates | Yes | - | - | - |
| Custom Graphics | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a |
| Real-Music Ringers | - | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | n/a |
| WAP / Web Browser | Yes | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | - | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | Yes * |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | n/a | n/a |
| Instant Messaging | - | - | n/a | n/a |
| MMS | - | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | - | Yes | n/a | n/a |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| TV Output | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | - | - | n/a | n/a |
| Voice Memo | - | Yes | n/a | n/a |
| Software | ||||
| BREW | - | Yes | n/a | n/a |
| Games | Yes | Yes | n/a | n/a |
| Java (J2ME) | Yes | - | n/a | n/a |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Siemens C56 | Samsung SCH-A990 | Motorola Charm | BlackBerry Pearl 3G 9100 / 9105 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens C56 | Samsung SCH-A990 | Motorola Charm | BlackBerry Pearl 3G 9100 / 9105 |
