Compare Phones
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| Phone | Ericsson R278d | Ericsson T39 | Ericsson T28 World | Kyocera 2135 | HTC Hero (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? | ? |
3.2" diag. 5 : 3 |
| Display Resolution & Type | 101 x 40 pixels |
? LCD (Grayscale) |
? | ? |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | ? | ? | 500 mAh | 925 mAh | 1,500 mAh |
| Processor | ? | ? | ? | ? | 528 MHz MSM7600 |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | - | - | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | - | - | QVGA (320 x 240) |
| Front Camera | - | - | - | - | - |
| Weight |
9.28 oz (263g) |
3.03 oz (86g) |
3.14 oz (89g) |
4.7 oz (133g) |
4.5 oz (128g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
3.78" x 1.97" x 0.71" (96 x 50 x 18 mm) |
3.9" x 2" x 0.6" (99 x 51 x 15.2 mm) |
5.07" x 1.89" x 1.02" (129 x 48 x 25.9 mm) |
4.46" x 2.22" x 0.54" (113 x 56 x 13.7 mm) |
| Form Factor | Slab | Flip | Flip | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
GSM: 900, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
| Data Technology | - | GPRS | - | - | EVDO rA |
| Features | |||||
| GPS / Location | - | - | - | - | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | - | - | - | - | Yes |
| Multiple Languages | Yes | Yes | - | Yes | n/a |
| TTY/TDD (Digital) | - | - | - | - | Yes |
| Alerts | |||||
| Ringer Profiles | Yes | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - |
Yes HSP, DUN, OPP, Sync |
- | - |
Yes Classic Audio |
| Infrared (IR) | - | Yes | - | - | - |
| USB | - | - | - | - |
Yes Mini-USB |
| Wi-Fi | - | - | - | - |
Yes 802.11 b,g |
| Contacts | |||||
| Picture ID | - | - | - | - | n/a |
| Ringer ID | - | - | - | - | n/a |
| Voice Dialing | - | Yes | Yes | - | n/a |
| Customization | |||||
| Changeable Body Plates | - | - | - | Yes | - |
| Custom Graphics | - | Yes | - | - | n/a |
| Custom Ringtones | Yes | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | - | - | n/a |
| Data & Network | |||||
| Data Tethering | Yes | Yes | Yes | Yes | n/a |
| WAP / Web Browser | Yes | Yes | - | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | - | Yes | n/a |
| Side Keys | Yes | Yes | Yes | - | Yes |
| Touch Screen | - | - | - | - | Yes |
| Memory | |||||
| Memory Card Slot | - | - | - | - | Yes |
| Messaging | |||||
| Email Client | - | - | - | - | n/a |
| Instant Messaging | - | - | - | - | n/a |
| MMS | - | - | - | - | n/a |
| Text Messaging Templates | - | Yes | - | Yes | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | - | - | - | - | n/a |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | n/a |
| Calculator | - | Yes | Yes | Yes | n/a |
| Calendar | - | Yes | - | - | n/a |
| Voice Memo | - | Yes | - | - | n/a |
| Software | |||||
| Games | - | Yes | Yes | Yes | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | - | - | - | Yes | n/a |
| Speaker Phone | - | - | - | - | Yes |
| Ericsson R278d | Ericsson T39 | Ericsson T28 World | Kyocera 2135 | HTC Hero (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | Ericsson T39 | Ericsson T28 World | Kyocera 2135 | HTC Hero (CDMA) |
