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| Phone | Samsung Knack U310 | Sony Xperia XA2 Ultra | Visible Midnight | HTC Touch Pro2 (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
6" diag. 16 : 9 |
6.5" diag. 20 : 9 |
3.6" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~269 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~259 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | 1,000 mAh | 3,580 mAh | 4,000 mAh | 1,500 mAh |
| Processor | ? | Qualcomm Snapdragon 630 | MediaTek Helio P22 (MT6762) | 528 MHz MSM7600 |
| RAM | ? | 4 GB | 3 GB | ? |
| Storage | ? raw hardware | 32 GB * | 32 GB | ? raw hardware |
| Main Camera | - | 23 megapixel | 13 megapixel | 3 megapixel |
| Wide Camera | - | - | 5 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 4K UHD | 1080p HD | ? |
| Front Camera | - | 16 megapixel | 8 megapixel | - |
| Weight |
3.63 oz (103g) |
7.79 oz (221g) |
6.35 oz (180g) |
6.35 oz (180g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
6.42" x 3.15" x 0.37" (163 x 80 x 9.5 mm) |
6.53" x 3" x 0.34" (166 x 76 x 8.6 mm) |
4.57" x 2.33" x 0.68" (116 x 59 x 17.3 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | Windows Mobile Professional |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 1, 2, 4, 5, 7, 8, 12, 13, 17, 25, 28, 29, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 12, 13, 66 |
WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | LTE (Cat 13) | LTE (Cat 4) | EVDO rA |
| Features | ||||
| Fingerprint Reader | - |
Yes stand-alone |
Yes stand-alone |
- |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | Yes | n/a | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | - | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| NFC | - | Yes | - | - |
| USB | - |
Yes USB Type C |
Yes USB Type C |
Yes |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes |
| Contacts | ||||
| Picture ID | - | n/a | n/a | n/a |
| Ringer ID | - | n/a | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a | n/a |
| Customization | ||||
| Custom Graphics | - | n/a | n/a | n/a |
| Custom Ringtones | - | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | n/a |
| WAP / Web Browser | - | n/a | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | - | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Resistive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a |
| MMS | - | n/a | n/a | n/a |
| Text Messaging Templates | - | n/a | n/a | n/a |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Music Player | - | n/a | n/a | n/a |
| Photo & Video | ||||
| Miracast | - | Yes | - | - |
| TV Output | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a |
| To-Do List | - | n/a | n/a | n/a |
| Voice Memo | - | n/a | n/a | n/a |
| Software | ||||
| Games | - | n/a | n/a | n/a |
| 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 | Sony Xperia XA2 Ultra | Visible Midnight | HTC Touch Pro2 (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Sony Xperia XA2 Ultra | Visible Midnight | HTC Touch Pro2 (CDMA) |
