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| Phone | Samsung Jitterbug J / SPH-A310 | Nokia Lumia 521 / 520 | Sony Xperia Z3 | CAT S61 | BlackBerry 7750 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
4" diag. 5 : 3 |
5.2" diag. 16 : 9 |
5.2" diag. 16 : 9 |
? |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (Color) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | ? |
| Battery | ? | 1,430 mAh | 3,100 mAh | 4,500 mAh | ? |
| Processor | ? | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 2.5 GHz Qualcomm Snapdragon 801 (MSM8974AC) | 2.2 GHz Qualcomm Snapdragon 630 | ? |
| RAM | ? | 512 MB | 3 GB | 4 GB | ? |
| Storage | ? raw hardware | 8 GB | 16 GB | 64 GB | ? raw hardware |
| Main Camera | - | 5 megapixel | 20 megapixel | 16 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 720p HD | 4K UHD | 4K UHD | - |
| Front Camera | - | - | 2 megapixel | 8 megapixel | - |
| Weight |
3.99 oz (113g) |
4.39 oz (124g) |
5.36 oz (152g) |
9.03 oz (256g) |
5.01 oz (142g) |
| Dimensions |
3.87" x 2.16" x 0.97" (98 x 55 x 24.6 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
5.75" x 2.83" x 0.29" (146 x 72 x 7.3 mm) |
5.91" x 2.99" x 0.51" (150 x 76 x 13 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Windows | Android | Android | BlackBerry OS |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 12 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 25, 26, 28, 29, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
|
| Data Technology | - | HSPA+ 21 | LTE (Cat 4) | LTE (Cat 13) | 1xRTT |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Flashlight | - | - | - | Yes | - |
| GPS / Location | Yes | n/a | n/a | n/a | n/a |
| Ruggedized | - | - | Yes | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | - | n/a | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | n/a | n/a |
| NFC | - | - | Yes | Yes | - |
| USB | - | Yes |
Yes Micro-USB |
Yes USB Type C |
Yes |
| Wi-Fi | - | Yes | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | - | n/a | n/a | n/a | n/a |
| Ringer ID | - | n/a | n/a | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | - | n/a | n/a | n/a | n/a |
| Custom Ringtones | - | n/a | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | n/a |
| Dual-SIM | - | - | - | Yes * | - |
| WAP / Web Browser | - | n/a | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | - | n/a | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a | n/a |
| MMS | - | n/a | n/a | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a | n/a | n/a |
| Music | |||||
| FM Radio | - | - | Yes | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | - |
| Music Player | - | n/a | n/a | n/a | n/a |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Miracast | - | - | Yes | - | - |
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | Yes | - |
| Productivity | |||||
| Alarm | - | n/a | n/a | n/a | n/a |
| Calculator | - | n/a | n/a | n/a | n/a |
| Calendar | - | n/a | n/a | n/a | n/a |
| To-Do List | - | n/a | n/a | n/a | n/a |
| Voice Memo | - | n/a | n/a | n/a | n/a |
| Software | |||||
| Games | - | n/a | n/a | n/a | n/a |
| Java (J2ME) | - | n/a | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | - | n/a | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| * Some versions only | |||||
| Samsung Jitterbug J / SPH-A310 | Nokia Lumia 521 / 520 | Sony Xperia Z3 | CAT S61 | BlackBerry 7750 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Jitterbug J / SPH-A310 | Nokia Lumia 521 / 520 | Sony Xperia Z3 | CAT S61 | BlackBerry 7750 |
