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| Phone | Samsung SGH-E640 | Siemens SL55 | LG Volt | Samsung SPH-A250 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
4.7" diag. 16 : 9 |
? |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
540 x 960 pixels (~234 ppi) LCD (TFT/TFD) |
? |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 800 mAh | 500 mAh | 3,000 mAh | ? |
| Processor | ? | ? | 1.2 GHz Qualcomm Snapdragon 400 | ? |
| RAM | ? | ? | 1 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 4 GB | ? raw hardware |
| Main Camera | 1 megapixel | - | 8 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | - | 1080p HD | - |
| Front Camera | - | - | Yes | - |
| Weight |
3.17 oz (90g) |
2.79 oz (79g) |
4.76 oz (135g) |
2.82 oz (80g) |
| Dimensions |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm) |
5.17" x 2.6" x 0.42" (131 x 66 x 10.7 mm) |
2.76" x 1.91" x 0.83" (70 x 49 x 21.1 mm) |
| Form Factor | Clamshell | Slide | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
CDMA: 1900 |
| Data Technology | GPRS | GPRS | LTE (Cat 3) | - |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | - | - | n/a | - |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | - |
| Hearing Aid Compatible | - | - | Yes | - |
| Multiple Languages | Yes | Yes | n/a | - |
| TTY/TDD (Digital) | - | - | Yes | - |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
- |
Yes Classic Audio |
- |
| Infrared (IR) | - | Yes | Yes | - |
| Mobile Hotspot | - | - | n/a | - |
| NFC | - | - | Yes | - |
| USB | Yes | - | Yes | - |
| Wi-Fi | - | - | Yes | - |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | - |
| Ringer ID | Yes | Yes | n/a | - |
| Voice Dialing | - | Yes | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | - |
| Custom Ringtones | Yes | Yes | n/a | - |
| Real-Music Ringers | Yes | - | n/a | - |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | Yes |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | Yes | Yes | n/a | - |
| EMS / Picture Messaging | Yes | Yes | n/a | - |
| Instant Messaging | - | - | n/a | - |
| MMS | Yes | Yes | n/a | - |
| Text Messaging Templates | Yes | Yes | n/a | - |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | Yes | - | n/a | - |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Miracast | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | Yes | Yes | n/a | Yes |
| Voice Memo | Yes | Yes | n/a | - |
| Software | ||||
| Games | Yes | Yes | n/a | - |
| Java (J2ME) | Yes | Yes | n/a | - |
| Voice | ||||
| Headset Jack (2.5 mm) | - | - | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | - |
| Samsung SGH-E640 | Siemens SL55 | LG Volt | Samsung SPH-A250 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-E640 | Siemens SL55 | LG Volt | Samsung SPH-A250 |
