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| Phone | Samsung SPH-i550 | Samsung Trance SCH-U490 | Microsoft Lumia 550 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Not yet released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
2.1" diag. 4 : 3 |
4.7" diag. 16 : 9 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~312 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | ? | ? | 2,100 mAh |
| Processor | 200 MHz Motorola MX-1 | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) |
| RAM | ? | ? | 1 GB |
| Storage | ? raw hardware | ? raw hardware | 8 GB |
| Main Camera | 1 megapixel | 1 megapixel | 5 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | ? | - | 720p HD |
| Front Camera | - | - | 2 megapixel |
| Weight | ? |
3.53 oz (100g) |
5.01 oz (142g) |
| Dimensions |
3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm) |
4" x 1.97" x 0.55" (102 x 50 x 14 mm) |
5.36" x 2.67" x 0.39" (136 x 68 x 9.9 mm) |
| Form Factor | Clamshell | Slide | Slab |
| Platform / OS | Palm OS | (proprietary) | Windows |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | 1xRTT | LTE (Cat 4) |
| Features | |||
| Flashlight | - | - | Yes |
| GPS / Location | n/a | Yes | n/a |
| Accessibility | |||
| Adjustable Text Size | n/a | Yes | n/a |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | - | - |
| Connectivity | |||
| Bluetooth | - | Yes | Yes |
| Infrared (IR) | Yes | - | - |
| Mobile Hotspot | n/a | - | n/a |
| USB | - | Yes |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | |||
| Picture ID | n/a | Yes | n/a |
| Ringer ID | n/a | Yes | n/a |
| Voice Dialing | n/a | Yes | n/a |
| Customization | |||
| Custom Graphics | n/a | Yes | n/a |
| Custom Ringtones | n/a | Yes | n/a |
| Real-Music Ringers | n/a | Yes | n/a |
| Data & Network | |||
| Data Tethering | n/a | Yes | n/a |
| WAP / Web Browser | n/a | Yes | n/a |
| Input | |||
| Predictive Text Entry | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | Yes | - |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | n/a | - | n/a |
| MMS | n/a | Yes | n/a |
| Text Messaging Templates | n/a | Yes | n/a |
| Music | |||
| FM Radio | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Music Player | n/a | Yes | n/a |
| Productivity | |||
| Alarm | n/a | Yes | n/a |
| Calculator | n/a | Yes | n/a |
| Calendar | n/a | Yes | n/a |
| To-Do List | n/a | - | n/a |
| Voice Memo | n/a | Yes | n/a |
| Software | |||
| BREW | n/a | Yes | n/a |
| Games | n/a | Yes | n/a |
| Voice | |||
| HD Voice | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | - | n/a |
| Speaker Phone | - | Yes | Yes |
| Samsung SPH-i550 | Samsung Trance SCH-U490 | Microsoft Lumia 550 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-i550 | Samsung Trance SCH-U490 | Microsoft Lumia 550 |
