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| Phone | Ericsson R278d | HTC EVO Design 4G / Hero S (CDMA) | Apple iPhone 4 (GSM) | Palm Treo 600 (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
4" diag. 16 : 9 |
3.5" diag. 5 : 3 |
? |
| Display Resolution & Type | 101 x 40 pixels |
540 x 960 pixels (~275 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
160 x 160 pixels LCD (Color) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | ? | 1,520 mAh | ? | ? |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon S2 MSM8655 | Apple A4 | ? |
| RAM | ? | 768 MB | ? | ? |
| Storage | ? raw hardware | 4 GB | 32 GB * | ? raw hardware |
| Main Camera | - | 5 megapixel | 5 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 720p HD | 720p HD | - |
| Front Camera | - | 1 megapixel | Yes | - |
| Weight |
9.28 oz (263g) |
5.22 oz (148g) |
4.8 oz (136g) |
6.2 oz (176g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | iOS | Palm OS |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | - | WiMAX | HSPA 7.2 | 1xRTT |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | - | n/a | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | n/a |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| Infrared (IR) | - | - | - | Yes |
| Mobile Hotspot | - | n/a | n/a | n/a |
| USB | - |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | - | n/a | n/a | n/a |
| Ringer ID | - | n/a | n/a | n/a |
| Voice Dialing | - | n/a | n/a | n/a |
| Customization | ||||
| Custom Graphics | - | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | n/a |
| WAP / Web Browser | Yes | n/a | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a |
| MMS | - | n/a | n/a | n/a |
| Text Messaging Templates | - | n/a | n/a | n/a |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | - | n/a | n/a | n/a |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | n/a |
| Calculator | - | n/a | n/a | n/a |
| Calendar | - | n/a | n/a | n/a |
| To-Do List | - | n/a | n/a | n/a |
| Voice Memo | - | n/a | n/a | n/a |
| Software | ||||
| Games | - | n/a | n/a | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | n/a | n/a |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Ericsson R278d | HTC EVO Design 4G / Hero S (CDMA) | Apple iPhone 4 (GSM) | Palm Treo 600 (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | HTC EVO Design 4G / Hero S (CDMA) | Apple iPhone 4 (GSM) | Palm Treo 600 (CDMA) |
