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| Phone | BlackBerry Storm2 9550 | Siemens M75 | Siemens CF75 | Ericsson T28 World |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Not yet released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.3" diag. 4 : 3 |
? | ? | ? |
| Display Resolution & Type |
360 x 480 pixels (~185 ppi) LCD (TFT/TFD) |
132 x 176 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
? |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,400 mAh | 750 mAh | 600 mAh | 500 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | 1 megapixel | Yes | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | ? | - | - |
| Front Camera | - | - | - | - |
| Weight |
5.64 oz (160g) |
3.88 oz (110g) |
3.17 oz (90g) |
3.14 oz (89g) |
| Dimensions |
4.43" x 2.45" x 0.55" (113 x 62 x 14 mm) |
4.35" x 2.03" x 0.82" (110 x 52 x 20.8 mm) |
3.43" x 1.73" x 1.26" (87 x 44 x 32 mm) |
3.9" x 2" x 0.6" (99 x 51 x 15.2 mm) |
| Form Factor | Slab | Slab | Clamshell | Flip |
| Platform / OS | BlackBerry OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 900, 1900 |
| Data Technology | EVDO rA | GPRS | EDGE | - |
| Features | ||||
| GPS / Location | n/a | - | - | - |
| Ruggedized | - | Yes | - | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | - | - |
| Hearing Aid Compatible | Yes | - | - | - |
| Multiple Languages | n/a | Yes | Yes | - |
| TTY/TDD (Digital) | Yes | - | - | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | Yes | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
- | - |
| Infrared (IR) | - | Yes | Yes | - |
| USB | Yes | Yes | Yes | - |
| Wi-Fi |
Yes 802.11 b,g |
- | - | - |
| Contacts | ||||
| Picture ID | n/a | Yes | - | - |
| Ringer ID | n/a | Yes | - | - |
| Voice Dialing | n/a | - | - | Yes |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | - |
| Custom Ringtones | n/a | Yes | Yes | Yes |
| Real-Music Ringers | n/a | - | - | - |
| Data & Network | ||||
| Data Tethering | n/a | Yes | Yes | Yes |
| WAP / Web Browser | n/a | Yes | Yes | - |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | - |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | - | - | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | n/a | Yes | Yes | - |
| EMS / Picture Messaging | n/a | Yes | Yes | - |
| Instant Messaging | n/a | - | - | - |
| MMS | n/a | Yes | Yes | - |
| Text Messaging Templates | n/a | - | Yes | - |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Music Player | n/a | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | Yes |
| Calculator | n/a | Yes | Yes | Yes |
| Calendar | n/a | Yes | Yes | - |
| To-Do List | n/a | Yes | Yes | - |
| Voice Memo | n/a | Yes | Yes | - |
| Software | ||||
| Games | n/a | Yes | Yes | Yes |
| Java (J2ME) | n/a | Yes | Yes | - |
| Voice | ||||
| Push-To-Talk | - | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | - |
| BlackBerry Storm2 9550 | Siemens M75 | Siemens CF75 | Ericsson T28 World | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry Storm2 9550 | Siemens M75 | Siemens CF75 | Ericsson T28 World |
