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| Phone | Samsung Trance SCH-U490 | Huawei W1 | Nokia 6555 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
4" diag. 5 : 3 |
2" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | ? | 1,950 mAh | 1,020 mAh |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon 400 MSM8230 | ? |
| RAM | ? | 512 MB | ? |
| Storage | ? raw hardware | 4 GB | ? raw hardware |
| Main Camera | 1 megapixel | 5 megapixel | 1 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | 720p HD | QCIF (176 x 144) |
| Front Camera | - | Yes | - |
| Weight |
3.53 oz (100g) |
4.41 oz (125g) |
3.42 oz (97g) |
| Dimensions |
4" x 1.97" x 0.55" (102 x 50 x 14 mm) |
4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm) |
3.92" x 1.74" x 0.77" (100 x 44 x 19.6 mm) |
| Form Factor | Slide | Slab | Clamshell |
| Platform / OS | (proprietary) | Windows | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | 1xRTT | HSPA+ 21 | WCDMA (UMTS) |
| Features | |||
| GPS / Location | Yes | n/a | - |
| Accessibility | |||
| Adjustable Text Size | Yes | n/a | Yes |
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| USB | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||
| Picture ID | Yes | n/a | Yes |
| Ringer ID | Yes | n/a | Yes |
| Voice Dialing | Yes | n/a | Yes |
| Customization | |||
| Custom Graphics | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes |
| Real-Music Ringers | Yes | n/a | Yes |
| Data & Network | |||
| Data Tethering | Yes | n/a | Yes |
| WAP / Web Browser | Yes | n/a | Yes |
| Input | |||
| Predictive Text Entry | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | - | n/a | Yes |
| Instant Messaging | - | n/a | Yes |
| MMS | Yes | n/a | Yes |
| Text Messaging Templates | Yes | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | - |
| Music Player | Yes | n/a | Yes |
| Productivity | |||
| Alarm | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes |
| To-Do List | - | n/a | Yes |
| Voice Memo | Yes | n/a | Yes |
| Software | |||
| BREW | Yes | n/a | - |
| Games | Yes | n/a | Yes |
| Java (J2ME) | - | n/a | Yes |
| Voice | |||
| Headset Jack (2.5 mm) | - | n/a | Yes |
| Push-To-Talk | - | - | Yes * |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Samsung Trance SCH-U490 | Huawei W1 | Nokia 6555 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Trance SCH-U490 | Huawei W1 | Nokia 6555 |
