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| Phone | Samsung SGH-D307 | BlackBerry Curve 3G 9330 | Samsung Saga i770 | Sony Ericsson T237 / T290a |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.5" diag. 4 : 3 |
2.6" diag. 1 : 1 |
? |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
320 x 240 pixels (~160 ppi) LCD (TFT/TFD) |
320 x 320 pixels (~177 ppi) LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 1,150 mAh | 1,300 mAh | ? |
| Processor | ? | ? | 384 MHz MSM7500 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 2 megapixel | 2 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | QVGA (320 x 240) | - |
| Front Camera | - | - | - | - |
| Weight |
4.3 oz (122g) |
3.7 oz (105g) |
4.59 oz (130g) |
2.79 oz (79g) |
| Dimensions |
3.7" x 1.9" x 0.85" (94 x 48 x 21.6 mm) |
4.29" x 2.36" x 0.55" (109 x 60 x 14 mm) |
4.88" x 2.44" x 0.53" (124 x 62 x 13.5 mm) |
4" x 1.71" x 0.71" (102 x 43 x 18 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | BlackBerry OS | Windows Mobile Professional | (proprietary) |
| Network Bands |
GSM: 850, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
| Data Technology | EDGE | EVDO r0 | EVDO rA | GPRS |
| Features | ||||
| GPS / Location | - | n/a | n/a | - |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | - |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4 (very compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| USB | Yes |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | - |
Yes 802.11 b,g |
Yes 802.11 b,g |
- |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | n/a | n/a | Yes |
| Voice Dialing | Yes | n/a | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | Yes | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | Yes | - |
| Text Keyboard, Hardware | Yes | Yes | Yes | - |
| Touch Screen | - | - |
Yes Resistive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | Yes | n/a | n/a | Yes |
| EMS / Picture Messaging | Yes | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | - |
| MMS | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | - | n/a | n/a | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | Yes |
| To-Do List | Yes | n/a | n/a | - |
| Voice Memo | Yes | n/a | n/a | Yes |
| Software | ||||
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | - |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | n/a | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-D307 | BlackBerry Curve 3G 9330 | Samsung Saga i770 | Sony Ericsson T237 / T290a | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-D307 | BlackBerry Curve 3G 9330 | Samsung Saga i770 | Sony Ericsson T237 / T290a |
