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| Phone | LG VX-8550 Chocolate | Samsung SCH-A990 | Samsung Messager R450 | ZTE ZMAX 2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
2.1" diag. 4 : 3 |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 800 mAh | 1,000 mAh | 960 mAh | 3,000 mAh |
| Processor | ? | ? | ? | 1.2 GHz Qualcomm Snapdragon 400 (MSM8916) |
| RAM | ? | ? | ? | 2 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB |
| Main Camera | 1 megapixel | 3 megapixel | 1 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | ? | - | 720p HD |
| Front Camera | - | - | - | 2 megapixel |
| Weight |
3.24 oz (92g) |
4.4 oz (125g) |
4.58 oz (130g) |
5.99 oz (170g) |
| Dimensions |
3.85" x 1.87" x 0.67" (98 x 47 x 17 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.4" x 2" x 0.7" (112 x 51 x 17.8 mm) |
6.06" x 2.99" x 0.37" (154 x 76 x 9.4 mm) |
| Form Factor | Slide | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
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| Data Technology | EVDO r0 | EVDO r0 | 1xRTT | LTE (Cat 4) |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | Yes | Yes | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | - | n/a |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | - | - | n/a |
| USB | Yes | Yes | Yes |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | Yes | n/a |
| Voice Dialing | Yes | Yes | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | Yes | Yes | - | 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 |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | - | n/a |
| EMS / Picture Messaging | - | Yes | - | n/a |
| Instant Messaging | - | - | - | n/a |
| MMS | Yes | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | Yes | Yes | Yes | n/a |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| TV Output | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| Voice Memo | Yes | Yes | Yes | n/a |
| Software | ||||
| BREW | Yes | Yes | Yes | n/a |
| Games | Yes | Yes | Yes | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| LG VX-8550 Chocolate | Samsung SCH-A990 | Samsung Messager R450 | ZTE ZMAX 2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG VX-8550 Chocolate | Samsung SCH-A990 | Samsung Messager R450 | ZTE ZMAX 2 |
