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| Phone | Siemens A56 / A56i | HTC Shadow | Samsung Rugby A837 | Samsung M520 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.6" diag. 4 : 3 |
2" diag. 4 : 3 |
2.1" diag. 4 : 3 |
| Display Resolution & Type | 101 x 64 pixels |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 700 mAh | 920 mAh | 1,000 mAh | ? |
| Processor | ? | 200 MHz OMAP 850 | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 2 megapixel | 1 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | QCIF (176 x 144) | ? |
| Front Camera | - | - | - | - |
| Weight |
3 oz (85g) |
5.29 oz (150g) |
4.66 oz (132g) |
2.75 oz (78g) |
| Dimensions |
4" x 1.7" x 0.8" (102 x 43 x 20.3 mm) |
4.06" x 2.09" x 0.59" (103 x 53 x 15 mm) |
3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm) |
4.01" x 2.04" x 0.5" (102 x 52 x 12.7 mm) |
| Form Factor | Slab | Slide | Clamshell | Slide |
| Platform / OS | (proprietary) | Windows Mobile Standard | (proprietary) | (proprietary) |
| Network Bands |
GSM: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | - | EDGE | HSDPA 3.6 | EVDO r0 |
| Features | ||||
| GPS / Location | Yes | n/a | Yes | Yes |
| Ruggedized | - | - | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | Yes | Yes |
| Multiple Languages | - | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| USB | - |
Yes Mini-USB |
Yes | Yes |
| Wi-Fi | - |
Yes 802.11 b,g |
- | - |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | Yes | Yes |
| Voice Dialing | - | n/a | - | Yes |
| Customization | ||||
| Changeable Body Plates | Yes | - | - | - |
| Custom Graphics | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | Yes | - |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | Yes |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | - | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | n/a | Yes | - |
| EMS / Picture Messaging | Yes | n/a | - | - |
| Instant Messaging | - | n/a | Yes | - |
| MMS | - | n/a | Yes | - |
| Text Messaging Templates | - | n/a | Yes | Yes |
| Music | ||||
| Music Player | - | n/a | Yes | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | - | n/a | Yes | Yes |
| To-Do List | - | n/a | - | Yes |
| Voice Memo | - | n/a | Yes | Yes |
| Software | ||||
| Games | Yes | n/a | Yes | Yes |
| Java (J2ME) | - | n/a | Yes | Yes |
| Voice | ||||
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | - | Yes | Yes | Yes |
| Siemens A56 / A56i | HTC Shadow | Samsung Rugby A837 | Samsung M520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens A56 / A56i | HTC Shadow | Samsung Rugby A837 | Samsung M520 |
