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| Phone | Samsung SPH-i550 | Ericsson R278d | Sony Ericsson Z750 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Not yet released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? | ? |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
101 x 40 pixels |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | ? | ? | 950 mAh |
| Processor | 200 MHz Motorola MX-1 | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | - | 2 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | ? | - | ? |
| Front Camera | - | - | - |
| Weight | ? |
9.28 oz (263g) |
3.88 oz (110g) |
| Dimensions |
3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
3.83" x 1.93" x 0.79" (97 x 49 x 20.1 mm) |
| Form Factor | Clamshell | Slab | Clamshell |
| Platform / OS | Palm OS | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
TDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | - | HSDPA 1.8 |
| Features | |||
| GPS / Location | n/a | - | - |
| Accessibility | |||
| Hearing Aid Compatible | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | Yes | - | Yes |
| Ringer Profiles | - | Yes | - |
| Connectivity | |||
| Bluetooth | - | - | Yes |
| Infrared (IR) | Yes | - | - |
| USB | - | - | Yes |
| Contacts | |||
| Picture ID | n/a | - | Yes |
| Ringer ID | n/a | - | Yes |
| Voice Dialing | n/a | - | - |
| Customization | |||
| Custom Graphics | n/a | - | Yes |
| Custom Ringtones | n/a | Yes | Yes |
| Real-Music Ringers | n/a | - | Yes |
| Data & Network | |||
| Data Tethering | n/a | Yes | Yes |
| External Antenna Jack | n/a | - | Yes |
| WAP / Web Browser | n/a | Yes | Yes |
| Input | |||
| Predictive Text Entry | n/a | Yes | Yes |
| Side Keys | Yes | Yes | - |
| Touch Screen | Yes | - | - |
| Memory | |||
| Memory Card Slot | Yes | - | Yes |
| Messaging | |||
| Email Client | n/a | - | Yes |
| Instant Messaging | n/a | - | Yes |
| MMS | n/a | - | Yes |
| Text Messaging Templates | n/a | - | Yes |
| Music | |||
| FM Radio | - | - | Yes |
| Music Player | n/a | - | Yes |
| Photo & Video | |||
| Video Calling | n/a | - | Yes * |
| Productivity | |||
| Alarm | n/a | Yes | Yes |
| Calculator | n/a | - | Yes |
| Calendar | n/a | - | Yes |
| To-Do List | n/a | - | Yes |
| Voice Memo | n/a | - | Yes |
| Software | |||
| Games | n/a | - | Yes |
| Java (J2ME) | n/a | - | Yes |
| Voice | |||
| Headset Jack (2.5 mm) | n/a | - | - |
| Speaker Phone | - | - | Yes |
| * Some versions only | |||
| Samsung SPH-i550 | Ericsson R278d | Sony Ericsson Z750 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-i550 | Ericsson R278d | Sony Ericsson Z750 |
