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| Phone | Sony Ericsson Z550a | LG Arena | Samsung Convoy 3 | Samsung SGH-P500 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.9" diag. 4 : 3 |
3" diag. 5 : 3 |
2.4" diag. 4 : 3 |
? |
| Display Resolution & Type |
176 x 220 pixels (~148 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~311 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 1,000 mAh | 1,300 mAh | 900 mAh |
| Processor | ? | ? | 480 MHz Qualcomm QSC6185 | ? |
| RAM | ? | ? | 256 MB | ? |
| Storage | ? raw hardware | ? raw hardware | 512 MB | ? raw hardware |
| Main Camera | 1 megapixel | 5 megapixel | 3 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | VGA (640 x 480) | QVGA (320 x 240) | ? |
| Front Camera | - | - | - | - |
| Weight |
3.26 oz (92g) |
3.7 oz (105g) |
4.4 oz (125g) |
3.28 oz (93g) |
| Dimensions |
3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm) |
4.24" x 2.18" x 0.48" (108 x 55 x 12.2 mm) |
4.07" x 2.04" x 0.82" (103 x 52 x 20.8 mm) |
3.54" x 1.81" x 0.91" (90 x 46 x 23.1 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | GPRS | HSPA 7.2 | EVDO rA | GPRS |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | - | Yes | Yes | - |
| Ruggedized | - | - | Yes | - |
| Accessibility | ||||
| Adjustable Text Size | - | - | Yes | - |
| Hearing Aid Compatible | - | - |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | - | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | Yes | - | Yes | Yes |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Infrared (IR) | - | - | - | Yes |
| USB | Yes | Yes | Yes | - |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | - |
| Ringer ID | Yes | - | Yes | - |
| Voice Dialing | Yes | Yes | Yes | - |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Real-Music Ringers | Yes | Yes | Yes | - |
| Data & Network | ||||
| Data Tethering | Yes | Yes | Yes | - |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | - | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | Yes | - | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | Yes | Yes | Yes | - |
| EMS / Picture Messaging | - | - | - | Yes |
| Instant Messaging | - | Yes | - | - |
| MMS | Yes | Yes | Yes | Yes |
| Text Messaging Templates | Yes | - | Yes | Yes |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | Yes | Yes | Yes | - |
| Stereo Speakers | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | Yes | Yes | - | Yes |
| Voice Memo | Yes | Yes | Yes | Yes |
| Software | ||||
| BREW | - | - | Yes | - |
| Games | Yes | Yes | Yes | Yes |
| Java (J2ME) | Yes | Yes | - | Yes |
| Voice | ||||
| Push-To-Talk | Yes * | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | - |
| * Some versions only | ||||
| Sony Ericsson Z550a | LG Arena | Samsung Convoy 3 | Samsung SGH-P500 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson Z550a | LG Arena | Samsung Convoy 3 | Samsung SGH-P500 |
