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| Phone | Samsung Rugby A837 | Samsung SPH-Z400 | Nokia N900 | Nokia 6230i | Nokia Lumia 521 / 520 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
1.9" diag. 4 : 3 |
3.5" diag. 5 : 3 |
? |
4" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~150 ppi) LCD (TFT/TFD) |
800 x 480 pixels (~267 ppi) LCD (TFT/TFD) |
208 x 208 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 1,000 mAh | 1,300 mAh | 1,320 mAh | 900 mAh | 1,430 mAh |
| Processor | ? | ? | 600 MHz TI OMAP 3430 (ARM Cortex-A8) | ? | 1 GHz Qualcomm Snapdragon S4 MSM8270 |
| RAM | ? | ? | ? | ? | 512 MB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 8 GB |
| Main Camera | 1 megapixel | 1 megapixel | 5 megapixel | 1 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QCIF (176 x 144) | QCIF (176 x 144) | ? | QCIF (176 x 144) | 720p HD |
| Front Camera | - | - | - | - | - |
| Weight |
4.66 oz (132g) |
4.06 oz (115g) |
6.38 oz (181g) |
3.49 oz (99g) |
4.39 oz (124g) |
| Dimensions |
3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm) |
3.73" x 1.91" x 1" (95 x 49 x 25.4 mm) |
4.36" x 2.35" x 0.69" (111 x 60 x 17.6 mm) |
4.06" x 1.73" x 0.79" (103 x 44 x 20.1 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
| Form Factor | Clamshell | Clamshell | Slide | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | Windows |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
WCDMA: 1, 4, 8 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
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| Data Technology | HSDPA 3.6 | EVDO rA | HSPA 10.1 | EDGE | HSPA+ 21 |
| Features | |||||
| GPS / Location | Yes | Yes | Yes | - | n/a |
| Ruggedized | Yes | Yes | - | - | - |
| Accessibility | |||||
| Adjustable Text Size | - | Yes | - | - | n/a |
| Hearing Aid Compatible | Yes | Yes | Yes | - | Yes |
| Multiple Languages | Yes | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | - | Yes |
| Alerts | |||||
| Extra Display | Yes | Yes | - | - | - |
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes |
| Infrared (IR) | - | - | - | Yes | - |
| Mobile Hotspot | - | - | - | - | n/a |
| USB | Yes | Yes |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | - | - |
Yes 802.11 b,g |
- | Yes |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | - | - | n/a |
| Voice Dialing | - | Yes | - | Yes | n/a |
| Customization | |||||
| Changeable Body Plates | - | - | - | Yes | - |
| Custom Graphics | Yes | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | Yes | n/a |
| Real-Music Ringers | Yes | Yes | Yes | Yes | n/a |
| Data & Network | |||||
| Data Tethering | Yes | Yes | - | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | - | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Stylus | - | - | Yes | - | - |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | - | - | Yes | - | Yes |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | Yes | Yes | Yes | Yes | n/a |
| EMS / Picture Messaging | - | - | - | Yes | n/a |
| Instant Messaging | Yes | - | Yes | - | n/a |
| MMS | Yes | - | - | Yes | n/a |
| Text Messaging Templates | Yes | Yes | - | Yes | n/a |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| FM Transmitter | - | - | Yes | - | n/a |
| Headphone Jack (3.5mm) | - | - | Yes | - | Yes |
| Music Player | Yes | - | Yes | Yes | n/a |
| Stereo Speakers | - | Yes | Yes | - | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| TV Output | - | - | Yes | - | - |
| Video Calling | - | - | Yes * | - | n/a |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | Yes | n/a |
| To-Do List | - | - | - | Yes | n/a |
| Voice Memo | Yes | Yes | - | Yes | n/a |
| Software | |||||
| Games | Yes | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | Yes | - | Yes | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | - | Yes | - | - | n/a |
| Push-To-Talk | Yes | Yes | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung Rugby A837 | Samsung SPH-Z400 | Nokia N900 | Nokia 6230i | Nokia Lumia 521 / 520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Rugby A837 | Samsung SPH-Z400 | Nokia N900 | Nokia 6230i | Nokia Lumia 521 / 520 |
