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| Phone | Samsung Trance SCH-U490 | HTC Amaze 4G | Ericsson R278d | Samsung Galaxy S II / SGH-i777 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
4.3" diag. 16 : 9 |
? |
4.3" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
480 x 800 pixels (~217 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | ? | 1,730 mAh | ? | 1,650 mAh |
| Processor | ? | 1.5 GHz Qualcomm Snapdragon S3 dual-core | ? | 1.2 GHz Samsung Exynos dual-core |
| RAM | ? | 1 GB | ? | ? |
| Storage | ? raw hardware | 16 GB | ? raw hardware | 16 GB |
| Main Camera | 1 megapixel | 8 megapixel | - | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 1080p HD | - | 1080p HD |
| Front Camera | - | 2 megapixel | - | 2 megapixel |
| Weight |
3.53 oz (100g) |
6.1 oz (173g) |
9.28 oz (263g) |
4.3 oz (122g) |
| Dimensions |
4" x 1.97" x 0.55" (102 x 50 x 14 mm) |
5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm) |
| Form Factor | Slide | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
TDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | HSPA+ 42 | - | HSPA+ 21 |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | Yes | n/a | - | n/a |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Mobile Hotspot | - | n/a | - | n/a |
| NFC | - | Yes | - | Yes |
| USB | Yes | Yes | - |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
- |
Yes 4 (802.11 a,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | - | n/a |
| Ringer ID | Yes | n/a | - | n/a |
| Voice Dialing | Yes | n/a | - | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | - | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | Yes | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | - | n/a |
| Instant Messaging | - | n/a | - | n/a |
| MMS | Yes | n/a | - | n/a |
| Text Messaging Templates | Yes | n/a | - | n/a |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes |
| Music Player | Yes | n/a | - | n/a |
| Photo & Video | ||||
| DLNA | - | Yes | - | Yes |
| TV Output | - | Yes | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | - | n/a |
| Calendar | Yes | n/a | - | n/a |
| Voice Memo | Yes | n/a | - | n/a |
| Software | ||||
| BREW | Yes | n/a | - | n/a |
| Games | Yes | n/a | - | n/a |
| Voice | ||||
| Speaker Phone | Yes | Yes | - | Yes |
| Samsung Trance SCH-U490 | HTC Amaze 4G | Ericsson R278d | Samsung Galaxy S II / SGH-i777 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Trance SCH-U490 | HTC Amaze 4G | Ericsson R278d | Samsung Galaxy S II / SGH-i777 |
