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| Phone | Samsung Knack U310 | BlackBerry 7750 | Motorola Citrus | Sony Xperia XZ2 | Siemens C56 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
? |
3" diag. 4 : 3 |
5.7" diag. 18 : 9 |
? |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
240 x 320 pixels (~133 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~424 ppi) LCD (TFT/TFD) |
101 x 64 pixels |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | ? |
| Battery | 1,000 mAh | ? | 1,150 mAh | 3,180 mAh | 700 mAh |
| Processor | ? | ? | ? | Qualcomm Snapdragon 845 | ? |
| RAM | ? | ? | ? | 4 GB | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 64 GB | ? raw hardware |
| Main Camera | - | - | 3 megapixel | 19 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | CIF (352 x 288) | 4K UHD | - |
| Front Camera | - | - | - | 5 megapixel | - |
| Weight |
3.63 oz (103g) |
5.01 oz (142g) |
3.88 oz (110g) |
6.98 oz (198g) |
3 oz (85g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.09" x 2.32" x 0.59" (104 x 59 x 15 mm) |
6.02" x 2.83" x 0.44" (153 x 72 x 11.1 mm) |
3.98" x 1.73" x 0.83" (101 x 44 x 21.1 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | BlackBerry OS | Android | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 29, 38, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
| Data Technology | - | 1xRTT | EVDO r0 | LTE (Cat 18) | GPRS |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | - | Yes | - |
| GPS / Location | Yes | n/a | n/a | n/a | Yes |
| Water-Resistant | - | - | - |
Yes IPX5 (direct spray) |
- |
| Accessibility | |||||
| Adjustable Text Size | Yes | n/a | n/a | n/a | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- | - |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | - | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | - |
| NFC | - | - | - | Yes | - |
| USB | - | Yes |
Yes Micro-USB |
Yes USB Type C |
Yes |
| Wi-Fi | - | - |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | - | n/a | n/a | n/a | - |
| Ringer ID | - | n/a | n/a | n/a | Yes |
| Voice Dialing | Yes | n/a | n/a | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | - | - | - | - | Yes |
| Custom Graphics | - | n/a | n/a | n/a | Yes |
| Custom Ringtones | - | n/a | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | Yes |
| Dual-SIM | - | - | - | Yes | - |
| WAP / Web Browser | - | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | - |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | - |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | n/a | - |
| MMS | - | n/a | n/a | n/a | - |
| Text Messaging Templates | - | n/a | n/a | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | - | n/a | n/a | n/a | - |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| Miracast | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | n/a | Yes |
| To-Do List | - | n/a | n/a | n/a | - |
| Software | |||||
| Games | - | n/a | n/a | n/a | Yes |
| Java (J2ME) | - | n/a | n/a | n/a | Yes |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a | - |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| Samsung Knack U310 | BlackBerry 7750 | Motorola Citrus | Sony Xperia XZ2 | Siemens C56 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | BlackBerry 7750 | Motorola Citrus | Sony Xperia XZ2 | Siemens C56 |
