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| Phone | Samsung Byline R310 | Samsung SCH-R300 | Samsung SCH-A990 | HTC MDA Compact / xda II mini / JAM (Magician) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.8" diag. 4 : 3 |
1.7" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
128 x 160 pixels (~116 ppi) LCD (STN) |
128 x 160 pixels (~123 ppi) LCD (STN) |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 800 mAh | 800 mAh | 1,000 mAh | 1,200 mAh |
| Processor | ? | ? | ? | 416 MHz Intel xScale |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | 3 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | ? | ? |
| Front Camera | - | - | - | - |
| Weight |
3.25 oz (92g) |
2.9 oz (82g) |
4.4 oz (125g) |
5.29 oz (150g) |
| Dimensions |
3.5" x 1.7" x 0.77" (89 x 43 x 19.6 mm) |
3.5" x 1.8" x 0.78" (89 x 46 x 19.8 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.25" x 2.28" x 0.72" (108 x 58 x 18.3 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Windows Mobile Professional |
| Network Bands |
CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
GSM: 850, 1800, 1900 |
| Data Technology | 1xRTT | 1xRTT | EVDO r0 | GPRS |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | Yes | Yes | Yes | n/a |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | Yes | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| USB | - | - | Yes |
Yes Mini-USB |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | Yes | n/a |
| Voice Dialing | Yes | Yes | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | Yes | n/a |
| Data & Network | ||||
| Data Tethering | - | - | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | - | n/a |
| EMS / Picture Messaging | - | - | Yes | n/a |
| Instant Messaging | - | Yes | - | n/a |
| MMS | Yes | - | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a |
| Music | ||||
| Music Player | - | - | Yes | n/a |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | - | - | - | n/a |
| Voice Memo | - | Yes | Yes | n/a |
| Software | ||||
| BREW | Yes | Yes | Yes | n/a |
| Games | Yes | Yes | Yes | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | - | - | - | n/a |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Byline R310 | Samsung SCH-R300 | Samsung SCH-A990 | HTC MDA Compact / xda II mini / JAM (Magician) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Byline R310 | Samsung SCH-R300 | Samsung SCH-A990 | HTC MDA Compact / xda II mini / JAM (Magician) |
