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| Phone | Samsung SPH-A520 | LG Trax CU575 | Samsung M520 | LG AX-490 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
2.1" diag. 4 : 3 |
? |
| Display Resolution & Type |
? LCD (STN) |
176 x 220 pixels LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 980 mAh | ? | 1,100 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 1 megapixel | 1 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | ? | - |
| Front Camera | - | - | - | - |
| Weight |
3.6 oz (102g) |
3.89 oz (110g) |
2.75 oz (78g) |
3.79 oz (107g) |
| Dimensions |
3.46" x 1.83" x 0.91" (88 x 46 x 23.1 mm) |
3.89" x 2.01" x 0.62" (99 x 51 x 15.7 mm) |
4.01" x 2.04" x 0.5" (102 x 52 x 12.7 mm) |
3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) |
| Form Factor | Clamshell | Clamshell | Slide | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | 1xRTT | HSDPA 3.6 | EVDO r0 | 1xRTT |
| Features | ||||
| GPS / Location | Yes | - | Yes | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| USB | - | Yes | Yes | Yes |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | Yes |
| Ringer ID | Yes | - | Yes | Yes |
| Voice Dialing | Yes | Yes | Yes | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Real-Music Ringers | - | Yes | - | Yes |
| Data & Network | ||||
| Data Tethering | Yes | Yes | Yes | Yes |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | - |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | Yes | - | - |
| Instant Messaging | - | Yes | - | - |
| MMS | - | Yes | - | Yes |
| Text Messaging Templates | - | Yes | Yes | Yes |
| Music | ||||
| Music Player | - | 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 | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | - | Yes |
| Speaker Phone | - | Yes | Yes | Yes |
| Samsung SPH-A520 | LG Trax CU575 | Samsung M520 | LG AX-490 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-A520 | LG Trax CU575 | Samsung M520 | LG AX-490 |
