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| Phone | Ericsson R278d | Siemens M55 | Nokia 6800 | AT&T Calypso |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
5.5" diag. 18 : 9 |
| Display Resolution & Type | 101 x 40 pixels |
101 x 80 pixels LCD (Color) |
128 x 128 pixels LCD (STN) |
480 x 960 pixels (~195 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | ? | 700 mAh | 1,000 mAh | 2,500 mAh |
| Processor | ? | ? | ? | 1.5 GHz MediaTek MT6739 |
| RAM | ? | ? | ? | 1 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB |
| Main Camera | - | - | - | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | - | 1080p HD |
| Front Camera | - | - | - | 5 megapixel |
| Weight |
9.28 oz (263g) |
2.93 oz (83g) |
4.3 oz (122g) |
6 oz (170g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
3.98" x 1.81" x 0.83" (101 x 46 x 21.1 mm) |
4.69" x 2.17" x 0.91" (119 x 55 x 23.1 mm) |
5.91" x 2.87" x 0.39" (150 x 73 x 9.9 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
GSM: 850, 1900 |
4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | GPRS | GPRS | LTE (Cat 4) |
| Features | ||||
| Flashlight | - | - | - | Yes |
| GPS / Location | - | Yes | - | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | - |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | - | - | Yes |
| Infrared (IR) | - | - | Yes | - |
| USB | - | - | - |
Yes USB Type C |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Voice Dialing | - | Yes | Yes | n/a |
| Customization | ||||
| Custom Graphics | - | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Data & Network | ||||
| Data Tethering | Yes | 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 |
| Messaging | ||||
| Email Client | - | Yes | Yes | n/a |
| EMS / Picture Messaging | - | Yes | Yes | n/a |
| MMS | - | Yes | Yes | n/a |
| Text Messaging Templates | - | - | Yes | n/a |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | - | Yes | n/a |
| Calculator | - | - | Yes | n/a |
| Calendar | - | Yes | Yes | n/a |
| To-Do List | - | - | Yes | n/a |
| Voice Memo | - | - | Yes | n/a |
| Software | ||||
| Games | - | Yes | Yes | n/a |
| Java (J2ME) | - | Yes | Yes | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Speaker Phone | - | Yes | Yes | Yes |
| Ericsson R278d | Siemens M55 | Nokia 6800 | AT&T Calypso | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | Siemens M55 | Nokia 6800 | AT&T Calypso |
