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| Phone | Ericsson R278d | LG AX-490 | LG Optimus G (CDMA) | ZTE Prelude / Avail 2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
4.7" diag. 5 : 3 |
3.5" diag. 5 : 3 |
| Display Resolution & Type | 101 x 40 pixels |
128 x 160 pixels LCD (TFT/TFD) |
768 x 1280 pixels (~318 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | ? | 1,100 mAh | 2,100 mAh | 1,500 mAh |
| Processor | ? | ? | 1.5 GHz Qualcomm Snapdragon S4 Pro | 1 GHz Qualcomm Snapdragon MSM7225A |
| RAM | ? | ? | 2 GB | 512 MB |
| Storage | ? raw hardware | ? raw hardware | 32 GB | 4 GB |
| Main Camera | - | Yes | 13 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | 1080p HD | VGA (640 x 480) |
| Front Camera | - | - | 1 megapixel | - |
| Weight |
9.28 oz (263g) |
3.79 oz (107g) |
5.11 oz (145g) |
4.4 oz (125g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) |
5.19" x 2.71" x 0.33" (132 x 69 x 8.5 mm) |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 25 CDMA: 800, 850, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
| Data Technology | - | 1xRTT | LTE (Cat 3) | HSPA 7.2 |
| Features | ||||
| GPS / Location | - | Yes | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | n/a |
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
Yes M4 (very compatible) |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Mobile Hotspot | - | - | n/a | n/a |
| NFC | - | - | Yes | - |
| USB | - | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 a,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 | n/a | n/a |
| Customization | ||||
| Custom Graphics | - | Yes | n/a | n/a |
| Custom Ringtones | Yes | 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 | - | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | - | - | Yes |
| Messaging | ||||
| Email Client | - | - | n/a | n/a |
| Instant Messaging | - | - | n/a | n/a |
| MMS | - | Yes | n/a | n/a |
| Text Messaging Templates | - | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | - | - | n/a | n/a |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Miracast | - | - | Yes | - |
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | - | Yes | n/a | n/a |
| Calendar | - | Yes | n/a | n/a |
| To-Do List | - | - | n/a | n/a |
| Voice Memo | - | Yes | n/a | n/a |
| Software | ||||
| BREW | - | Yes | n/a | n/a |
| Games | - | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | - | Yes | n/a | n/a |
| Speaker Phone | - | Yes | Yes | Yes |
| Ericsson R278d | LG AX-490 | LG Optimus G (CDMA) | ZTE Prelude / Avail 2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | LG AX-490 | LG Optimus G (CDMA) | ZTE Prelude / Avail 2 |
