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| Phone | Samsung Knack U310 | Cricket Debut S2 / AT&T Calypso 4 | Sonim XP5s |
| Current U.S. Carriers | (none) | AT&T | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
6.1" diag. 19.5 : 9 |
2.6" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
320 x 432 pixels (~204 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 1,000 mAh | 3,000 mAh | 3,180 mAh |
| Processor | ? | 2 GHz MediaTek Helio A22 (MT6761WB) | 1.4 GHz Qualcomm Snapdragon 427 (MSM8920) |
| RAM | ? | 3 GB | 2 GB |
| Storage | ? raw hardware | 64 GB | 16 GB |
| Main Camera | - | 8 megapixel | 5 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | ? | 720p HD |
| Front Camera | - | 5 megapixel | - |
| Weight |
3.63 oz (103g) |
5.64 oz (160g) |
9.17 oz (260g) |
| Dimensions |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
5.55" x 2.52" x 0.91" (141 x 64 x 23 mm) |
| Form Factor | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 28, 30, 38, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | LTE (Cat 4) | LTE (Cat 4) |
| Features | |||
| Barometer | - | - | Yes |
| Flashlight | - | Yes | Yes |
| GPS / Location | Yes | n/a | Yes |
| Ruggedized | - | - | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||
| Adjustable Text Size | Yes | n/a | Yes |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | Yes | - | - |
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | - | Yes | Yes |
| Mobile Hotspot | - | n/a | Yes |
| USB | - |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||
| Picture ID | - | n/a | Yes |
| Ringer ID | - | n/a | Yes |
| Voice Dialing | Yes | n/a | - |
| Customization | |||
| Custom Ringtones | - | n/a | Yes |
| Data & Network | |||
| Dual-SIM | - | - | Yes |
| WAP / Web Browser | - | n/a | Yes |
| Input | |||
| Predictive Text Entry | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| EMS / Picture Messaging | Yes | n/a | - |
| MMS | - | n/a | Yes |
| Text Messaging Templates | - | n/a | Yes |
| Music | |||
| FM Radio | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | - | n/a | Yes |
| Power | |||
| Fast Charging | - | Yes | - |
| Productivity | |||
| Alarm | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes |
| Voice Memo | - | n/a | Yes |
| Voice | |||
| HD Voice | - | Yes | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | - |
| Push-To-Talk | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| Samsung Knack U310 | Cricket Debut S2 / AT&T Calypso 4 | Sonim XP5s | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Knack U310 | Cricket Debut S2 / AT&T Calypso 4 | Sonim XP5s |
