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| Phone | Ericsson R278d | Sony Ericsson Z550a | LG Spectrum | LG Connect 4G | LG Sentio GS505 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
1.9" diag. 4 : 3 |
4.5" diag. 16 : 9 |
4" diag. 5 : 3 |
3" diag. 5 : 3 |
| Display Resolution & Type | 101 x 40 pixels |
176 x 220 pixels (~148 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 400 pixels (~155 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | ? |
| Battery | ? | ? | 1,830 mAh | 1,540 mAh | 900 mAh |
| Processor | ? | ? | 1.5 GHz Qualcomm Snapdragon S3 | 1.2 GHz Qualcomm Snapdragon S3 MSM8660 | ? |
| RAM | ? | ? | 1 GB | 1 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 4 GB | 4 GB | ? raw hardware |
| Main Camera | - | 1 megapixel | 8 megapixel | 5 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | 1080p HD | 720p HD | ? |
| Front Camera | - | - | 1 megapixel | Yes | - |
| Weight |
9.28 oz (263g) |
3.26 oz (92g) |
4.99 oz (141g) |
4.83 oz (137g) |
3.27 oz (93g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm) |
5.33" x 2.71" x 0.42" (135 x 69 x 10.7 mm) |
4.59" x 2.45" x 0.46" (117 x 62 x 11.7 mm) |
4.17" x 2.05" x 0.47" (106 x 52 x 12 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
WCDMA: 4 GSM: 850, 1900 |
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| Data Technology | - | GPRS | LTE (Cat 3) | LTE (Cat 3) | HSPA 7.2 |
| Features | |||||
| GPS / Location | - | - | n/a | n/a | Yes |
| Accessibility | |||||
| Hearing Aid Compatible | - | - |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Ringer Profiles | Yes | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | - | n/a | n/a | - |
| USB | - | Yes |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | - | Yes | n/a | n/a | Yes |
| Ringer ID | - | Yes | n/a | n/a | Yes |
| Voice Dialing | - | Yes | n/a | n/a | - |
| Customization | |||||
| Custom Graphics | - | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | Yes | n/a | n/a | Yes |
| Data & Network | |||||
| Data Tethering | Yes | Yes | n/a | n/a | Yes |
| WAP / Web Browser | Yes | Yes | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
Yes Resistive |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | Yes | n/a | n/a | Yes |
| Instant Messaging | - | - | n/a | n/a | Yes |
| MMS | - | Yes | n/a | n/a | Yes |
| Text Messaging Templates | - | Yes | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | Yes | - |
| Music Player | - | Yes | n/a | n/a | Yes |
| Photo & Video | |||||
| DLNA | - | - | Yes | Yes | - |
| TV Output | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | Yes |
| Calculator | - | Yes | n/a | n/a | Yes |
| Calendar | - | Yes | n/a | n/a | Yes |
| To-Do List | - | Yes | n/a | n/a | Yes |
| Voice Memo | - | Yes | n/a | n/a | Yes |
| Software | |||||
| Games | - | Yes | n/a | n/a | - |
| Java (J2ME) | - | Yes | n/a | n/a | Yes |
| Voice | |||||
| Push-To-Talk | - | Yes * | - | - | - |
| Speaker Phone | - | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Ericsson R278d | Sony Ericsson Z550a | LG Spectrum | LG Connect 4G | LG Sentio GS505 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | Sony Ericsson Z550a | LG Spectrum | LG Connect 4G | LG Sentio GS505 |
