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| Phone | LG LX-5550 / VX-5550 | Samsung SCH-R300 | LG AX-490 | Samsung SCH-U740 Alias | Sharp Sidekick LX 2009 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
1.7" diag. 4 : 3 |
? | ? |
3.2" diag. 16 : 9 |
| Display Resolution & Type |
120 x 160 pixels LCD (STN) |
128 x 160 pixels (~123 ppi) LCD (STN) |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
854 x 480 pixels (~306 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 950 mAh | 800 mAh | 1,100 mAh | ? | 1,250 mAh |
| Processor | ? | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | Yes | 1 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | - | ? | QVGA (320 x 240) |
| Front Camera | - | - | - | - | - |
| Weight |
3.89 oz (110g) |
2.9 oz (82g) |
3.79 oz (107g) |
3.56 oz (101g) |
5.78 oz (164g) |
| Dimensions |
3.52" x 1.9" x 0.94" (89 x 48 x 23.9 mm) |
3.5" x 1.8" x 0.78" (89 x 46 x 19.8 mm) |
3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) |
3.84" x 2.04" x 0.63" (98 x 52 x 16 mm) |
5.12" x 2.36" x 0.63" (130 x 60 x 16 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Clamshell | Swivel |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | 1xRTT | 1xRTT | EVDO r0 | HSPA 7.2 |
| Features | |||||
| GPS / Location | Yes | Yes | Yes | Yes | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | - | - | - | Yes |
| Hearing Aid Compatible | - |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | - |
| Alerts | |||||
| Extra Display | Yes | Yes | Yes | Yes | - |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | Yes |
| USB | Yes | - | Yes | Yes | Yes |
| Contacts | |||||
| Picture ID | - | Yes | Yes | Yes | Yes |
| Ringer ID | Yes | Yes | Yes | Yes | Yes |
| Voice Dialing | Yes | Yes | Yes | Yes | - |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes | Yes |
| Real-Music Ringers | - | - | Yes | - | Yes |
| Data & Network | |||||
| Data Tethering | Yes | - | Yes | Yes | - |
| WAP / Web Browser | Yes | Yes | Yes | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | - | Yes | - |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | Yes | Yes |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | Yes | - | - | Yes | Yes |
| Instant Messaging | - | Yes | - | Yes | Yes |
| MMS | - | - | Yes | Yes | Yes |
| Text Messaging Templates | - | Yes | Yes | Yes | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | - | - | - | Yes | Yes |
| Stereo Speakers | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes | - |
| Calendar | Yes | Yes | Yes | Yes | Yes |
| To-Do List | - | - | - | - | Yes |
| Voice Memo | Yes | Yes | Yes | Yes | - |
| Software | |||||
| BREW | Yes | Yes | Yes | Yes | - |
| Games | Yes | Yes | Yes | Yes | Yes |
| Java (J2ME) | - | - | - | - | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| LG LX-5550 / VX-5550 | Samsung SCH-R300 | LG AX-490 | Samsung SCH-U740 Alias | Sharp Sidekick LX 2009 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG LX-5550 / VX-5550 | Samsung SCH-R300 | LG AX-490 | Samsung SCH-U740 Alias | Sharp Sidekick LX 2009 |
