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| Phone | Ericsson R520 | Nokia 5230 Nuron | Siemens SL55 | Samsung SCH-A645 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3.2" diag. 16 : 9 |
? | ? |
| Display Resolution & Type | ? |
360 x 640 pixels (~229 ppi) LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
128 x 160 pixels LCD (STN) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 1,320 mAh | 500 mAh | 1,000 mAh |
| Processor | ? | 434 MHz ARM 11 | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 2 megapixel | - | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | VGA (640 x 480) | - | - |
| Front Camera | - | - | - | - |
| Weight |
4.23 oz (120g) |
3.98 oz (113g) |
2.79 oz (79g) |
3.2 oz (91g) |
| Dimensions |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
4.37" x 2.03" x 0.57" (111 x 52 x 14.5 mm) |
3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm) |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
| Form Factor | Slab | Slab | Slide | Clamshell |
| Platform / OS | (proprietary) | S60 (Symbian) | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | GPRS | HSDPA 3.6 | GPRS | 1xRTT |
| Features | ||||
| GPS / Location | - | n/a | - | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | - | - |
| Hearing Aid Compatible | - | - | - |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | Yes | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | - |
| Infrared (IR) | Yes | - | Yes | - |
| USB | - |
Yes Micro-USB |
- | - |
| Contacts | ||||
| Picture ID | - | n/a | Yes | Yes |
| Ringer ID | - | n/a | Yes | - |
| Voice Dialing | Yes | n/a | Yes | Yes |
| Customization | ||||
| Custom Graphics | - | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | - | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | - |
| WAP / Web Browser | Yes | n/a | Yes | Yes * |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | Yes | - | - |
| Touch Screen | - |
Yes Resistive |
- | - |
| Memory | ||||
| Memory Card Slot | - | Yes | - | - |
| Messaging | ||||
| Email Client | - | n/a | Yes | - |
| EMS / Picture Messaging | - | n/a | Yes | Yes |
| Instant Messaging | - | n/a | - | - |
| MMS | - | n/a | Yes | - |
| Text Messaging Templates | Yes | n/a | Yes | Yes |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | - | n/a | - | - |
| Stereo Speakers | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| To-Do List | - | n/a | Yes | Yes |
| Voice Memo | Yes | n/a | Yes | Yes |
| Software | ||||
| BREW | - | n/a | - | Yes * |
| Games | Yes | n/a | Yes | Yes * |
| Java (J2ME) | - | n/a | Yes | - |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Ericsson R520 | Nokia 5230 Nuron | Siemens SL55 | Samsung SCH-A645 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R520 | Nokia 5230 Nuron | Siemens SL55 | Samsung SCH-A645 |
