Compare Phones
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| Phone | Siemens M55 | Sony Ericsson Z550a |
| Current U.S. Carriers | (none) | (none) |
| Global Availability | Released | Released |
| Specifications | ||
|---|---|---|
| Display Size | ? |
1.9" diag. 4 : 3 |
| Display Resolution & Type |
101 x 80 pixels LCD (Color) |
176 x 220 pixels (~148 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? |
| Battery | 700 mAh | ? |
| Processor | ? | ? |
| RAM | ? | ? |
| Storage | ? raw hardware | ? raw hardware |
| Main Camera | - | 1 megapixel |
| Wide Camera | - | - |
| Tele Camera | - | - |
| Video Capture | - | ? |
| Front Camera | - | - |
| Weight |
2.93 oz (83g) |
3.26 oz (92g) |
| Dimensions |
3.98" x 1.81" x 0.83" (101 x 46 x 21.1 mm) |
3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm) |
| Form Factor | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | GPRS |
| Features | ||
| GPS / Location | Yes | - |
| Accessibility | ||
| Multiple Languages | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes |
| Alerts | ||
| Extra Display | - | Yes |
| Ringer Profiles | - | Yes |
| Connectivity | ||
| Bluetooth | - | Yes |
| USB | - | Yes |
| Contacts | ||
| Picture ID | - | Yes |
| Ringer ID | - | Yes |
| Voice Dialing | Yes | Yes |
| Customization | ||
| Custom Graphics | Yes | Yes |
| Custom Ringtones | Yes | Yes |
| Real-Music Ringers | - | Yes |
| Data & Network | ||
| Data Tethering | Yes | Yes |
| WAP / Web Browser | Yes | Yes |
| Input | ||
| Predictive Text Entry | Yes | Yes |
| Side Keys | Yes | Yes |
| Memory | ||
| Memory Card Slot | - | Yes |
| Messaging | ||
| Email Client | Yes | Yes |
| EMS / Picture Messaging | Yes | - |
| MMS | Yes | Yes |
| Text Messaging Templates | - | Yes |
| Music | ||
| FM Radio | - | Yes |
| Music Player | - | Yes |
| Productivity | ||
| Alarm | - | Yes |
| Calculator | - | Yes |
| Calendar | Yes | Yes |
| To-Do List | - | Yes |
| Voice Memo | - | Yes |
| Software | ||
| Games | Yes | Yes |
| Java (J2ME) | Yes | Yes |
| Voice | ||
| Push-To-Talk | - | Yes * |
| Speaker Phone | Yes | Yes |
| * Some versions only | ||
| Siemens M55 | Sony Ericsson Z550a | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens M55 | Sony Ericsson Z550a |
