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| Phone | LG G4020 | Samsung Contour R250 | Samsung SCH-A310 | Nokia N81 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2" diag. 4 : 3 |
? |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
128 x 160 pixels (~102 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (Grayscale) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 760 mAh | 800 mAh | ? | 1,050 mAh |
| Processor | ? | ? | ? | 369 MHz ARM 11 |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 8 GB * |
| Main Camera | - | Yes | - | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | - | VGA (640 x 480) |
| Front Camera | - | - | - | - |
| Weight |
3 oz (85g) |
3.81 oz (108g) |
3.2 oz (91g) |
4.94 oz (140g) |
| Dimensions |
3.19" x 1.69" x 0.82" (81 x 43 x 20.8 mm) |
3.75" x 1.8" x 0.7" (95 x 46 x 17.8 mm) |
3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm) |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slide |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | S60 (Symbian) |
| Network Bands |
GSM: 850, 1900 |
CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | 1xRTT | 1xRTT | EDGE |
| Features | ||||
| GPS / Location | - | Yes | Yes | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
- | - |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | - |
| Alerts | ||||
| Extra Display | Yes | Yes | Yes | - |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | - | Yes |
| USB | - |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | Yes | Yes | - | n/a |
| Ringer ID | Yes | Yes | - | n/a |
| Voice Dialing | - | Yes | Yes | n/a |
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - |
| Custom Graphics | Yes | Yes | - | n/a |
| Custom Ringtones | Yes | Yes | - | n/a |
| Real-Music Ringers | - | - | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | - | 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 |
| Memory | ||||
| Memory Card Slot | - | - | - | Yes * |
| Messaging | ||||
| Email Client | - | Yes | - | n/a |
| EMS / Picture Messaging | Yes | - | - | n/a |
| Instant Messaging | - | Yes | - | n/a |
| MMS | Yes | Yes | - | n/a |
| Text Messaging Templates | Yes | Yes | - | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | - | - | n/a |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| Video Calling | - | - | - | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | - | n/a |
| Calculator | Yes | Yes | - | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | - | Yes | - | n/a |
| Voice Memo | - | - | Yes | n/a |
| Software | ||||
| BREW | - | Yes | - | n/a |
| Games | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | - | - | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | Yes | Yes | n/a |
| Push-To-Talk | - | - | - | Yes * |
| Speaker Phone | - | Yes | - | Yes |
| * Some versions only | ||||
| LG G4020 | Samsung Contour R250 | Samsung SCH-A310 | Nokia N81 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG G4020 | Samsung Contour R250 | Samsung SCH-A310 | Nokia N81 |
