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| Phone | Nokia Lumia 521 / 520 | Samsung SCH-A220 | Kyocera DuraXTP | BlackBerry Key2 | Samsung SCH-A990 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
? |
2.4" diag. 4 : 3 |
4.5" diag. 5 : 3 |
? |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | ? |
| Battery | 1,430 mAh | ? | 1,500 mAh | 3,500 mAh | 1,000 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | ? | 480 MHz Qualcomm QSC6185 | 2.2 GHz Qualcomm Snapdragon 660 | ? |
| RAM | 512 MB | ? | 256 MB | 6 GB | ? |
| Storage | 8 GB | ? raw hardware | 512 MB | 64 GB * | ? raw hardware |
| Main Camera | 5 megapixel | - | 5 megapixel | 12 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | 12 megapixel | - |
| Video Capture | 720p HD | - | QVGA (320 x 240) | 4K UHD | ? |
| Front Camera | - | - | - | 8 megapixel | - |
| Weight |
4.39 oz (124g) |
3.25 oz (92g) |
5.75 oz (163g) |
5.93 oz (168g) |
4.4 oz (125g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
2.87" x 2.09" x 0.94" (73 x 53 x 23.9 mm) |
4.13" x 2.15" x 0.99" (105 x 55 x 25.1 mm) |
5.96" x 2.82" x 0.33" (151 x 72 x 8.4 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Slab | Clamshell |
| Platform / OS | Windows | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | HSPA+ 21 | 1xRTT | EVDO rA | LTE (Cat 11) | EVDO r0 |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | Yes | Yes |
| GPS / Location | n/a | Yes | Yes | n/a | Yes |
| Ruggedized | - | - | Yes | - | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | Yes | n/a | - |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | Yes | Yes |
| Mobile Hotspot | n/a | - | - | n/a | - |
| NFC | - | - | - | Yes | - |
| USB | Yes | - |
Yes Micro-USB |
Yes USB Type C |
Yes |
| Wi-Fi | Yes | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | - | Yes | n/a | Yes |
| Ringer ID | n/a | Yes | Yes | n/a | Yes |
| Voice Dialing | n/a | Yes | Yes | n/a | Yes |
| Customization | |||||
| Custom Graphics | n/a | Yes | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | Yes | n/a | Yes |
| Real-Music Ringers | n/a | - | Yes | n/a | Yes |
| Data & Network | |||||
| Data Tethering | n/a | Yes | - | n/a | Yes |
| WAP / Web Browser | n/a | Yes | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen |
Yes Capacitive |
- | - |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | - | Yes | n/a | - |
| EMS / Picture Messaging | n/a | - | - | n/a | Yes |
| Instant Messaging | n/a | - | - | n/a | - |
| MMS | n/a | - | Yes | n/a | Yes |
| Text Messaging Templates | n/a | Yes | Yes | n/a | Yes |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes | - |
| Music Player | n/a | - | - | n/a | Yes |
| Stereo Speakers | - | - | - | - | Yes |
| Photo & Video | |||||
| TV Output | - | - | - | Yes | Yes |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | n/a | Yes | Yes | n/a | Yes |
| Calculator | n/a | Yes | Yes | n/a | Yes |
| Calendar | n/a | Yes | Yes | n/a | Yes |
| To-Do List | n/a | Yes | Yes | n/a | - |
| Voice Memo | n/a | Yes | Yes | n/a | Yes |
| Software | |||||
| BREW | n/a | - | - | n/a | Yes |
| Games | n/a | - | Yes | n/a | Yes |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | Yes | - | n/a | - |
| Push-To-Talk | - | - | Yes | - | - |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| Nokia Lumia 521 / 520 | Samsung SCH-A220 | Kyocera DuraXTP | BlackBerry Key2 | Samsung SCH-A990 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | Samsung SCH-A220 | Kyocera DuraXTP | BlackBerry Key2 | Samsung SCH-A990 |
