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| Phone | Ericsson T28 World | Samsung SGH-A657 | HTC EVO 4G |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? | ? |
4.3" diag. 5 : 3 |
| Display Resolution & Type | ? |
176 x 220 pixels LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz |
| Battery | 500 mAh | 1,420 mAh | 1,500 mAh |
| Processor | ? | ? | 1 GHz Qualcomm Snapdragon S1 QSD8650 |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | 8 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | - | 720p HD |
| Front Camera | - | - | Yes |
| Weight |
3.14 oz (89g) |
4.34 oz (123g) |
6 oz (170g) |
| Dimensions |
3.9" x 2" x 0.6" (99 x 51 x 15.2 mm) |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
4.8" x 2.6" x 0.5" (122 x 66 x 12.7 mm) |
| Form Factor | Flip | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android |
| Network Bands |
GSM: 900, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G WiMAX: 41 CDMA: 850, 1900 |
| Data Technology | - | HSDPA 3.6 | WiMAX |
| Features | |||
| Flashlight | - | Yes | - |
| GPS / Location | - | Yes | n/a |
| Ruggedized | - | Yes | - |
| Accessibility | |||
| Hearing Aid Compatible | - | - | Yes |
| Multiple Languages | - | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth |
- |
Yes Classic Audio |
Yes Classic Audio |
| Mobile Hotspot | - | - | n/a |
| USB | - | Yes | Yes |
| Wi-Fi | - | - |
Yes 802.11 b,g |
| Contacts | |||
| Picture ID | - | Yes | n/a |
| Ringer ID | - | Yes | n/a |
| Voice Dialing | Yes | - | n/a |
| Customization | |||
| Custom Graphics | - | Yes | n/a |
| Custom Ringtones | Yes | Yes | n/a |
| Real-Music Ringers | - | Yes | n/a |
| Data & Network | |||
| Data Tethering | Yes | Yes | n/a |
| WAP / Web Browser | - | Yes | n/a |
| Input | |||
| Predictive Text Entry | - | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - | - | Yes |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | - | Yes | n/a |
| Instant Messaging | - | Yes | n/a |
| MMS | - | Yes | n/a |
| Text Messaging Templates | - | Yes | n/a |
| Music | |||
| FM Radio | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | Yes |
| Music Player | - | Yes | n/a |
| Photo & Video | |||
| TV Output | - | - | Yes |
| Productivity | |||
| Alarm | Yes | Yes | n/a |
| Calculator | Yes | Yes | n/a |
| Calendar | - | Yes | n/a |
| To-Do List | - | Yes | n/a |
| Voice Memo | - | Yes | n/a |
| Software | |||
| Games | Yes | Yes | n/a |
| Java (J2ME) | - | Yes | n/a |
| Voice | |||
| Push-To-Talk | - | Yes | - |
| Speaker Phone | - | Yes | Yes |
| Ericsson T28 World | Samsung SGH-A657 | HTC EVO 4G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson T28 World | Samsung SGH-A657 | HTC EVO 4G |
