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| Phone | LG VX-1 / TM-520 | Samsung SCH-A990 | ZTE Whirl | LG Optimus L90 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
3.5" diag. 5 : 3 |
4.7" diag. 16 : 9 |
| Display Resolution & Type | 128 x 104 pixels |
240 x 320 pixels LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~234 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | 900 mAh | 1,000 mAh | 1,300 mAh | 2,460 mAh |
| Processor | ? | ? | 1 GHz Qualcomm Snapdragon S1 MSM7225A | 1.2 GHz Qualcomm Snapdragon 400 MSM8226 |
| RAM | ? | ? | 512 MB | 1 GB |
| Storage | ? raw hardware | ? raw hardware | 4 GB | 8 GB |
| Main Camera | - | 3 megapixel | 3 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | VGA (640 x 480) | 1080p HD |
| Front Camera | - | - | - | Yes |
| Weight |
3.8 oz (108g) |
4.4 oz (125g) |
4.2 oz (119g) |
4.37 oz (124g) |
| Dimensions |
3.3" x 1.8" x 0.97" (84 x 46 x 24.6 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.57" x 2.4" x 0.5" (116 x 61 x 12.7 mm) |
5.18" x 2.6" x 0.38" (132 x 66 x 9.7 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | EVDO r0 | ? | HSPA+ 21 |
| Features | ||||
| Flashlight | - | Yes | - | Yes |
| GPS / Location | - | Yes | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | n/a |
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| Mobile Hotspot | - | - | n/a | n/a |
| USB | - | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | - | Yes | n/a | n/a |
| Ringer ID | - | Yes | n/a | n/a |
| Voice Dialing | Yes * | Yes | n/a | n/a |
| Customization | ||||
| Custom Graphics | - | Yes | n/a | n/a |
| Custom Ringtones | - | Yes | n/a | n/a |
| Real-Music Ringers | - | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | n/a |
| WAP / Web Browser | Yes | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | Yes |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | n/a | n/a |
| EMS / Picture Messaging | - | Yes | n/a | n/a |
| Instant Messaging | - | - | n/a | n/a |
| MMS | - | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | - | Yes | n/a | n/a |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| TV Output | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | - | - | n/a | n/a |
| Voice Memo | Yes * | Yes | n/a | n/a |
| Software | ||||
| BREW | - | Yes | n/a | n/a |
| Games | Yes | Yes | n/a | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | n/a | n/a |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| LG VX-1 / TM-520 | Samsung SCH-A990 | ZTE Whirl | LG Optimus L90 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG VX-1 / TM-520 | Samsung SCH-A990 | ZTE Whirl | LG Optimus L90 |
