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| Phone | Kyocera Coast / Kona | Casio G'zOne Boulder | AT&T Vista | Samsung Jitterbug J / SPH-A310 | Samsung Jack i637 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
2" diag. 4 : 3 |
5.5" diag. 18 : 9 |
2.1" diag. 4 : 3 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (Color) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | 870 mAh | 810 mAh | 2,450 mAh | ? | 1,480 mAh |
| Processor | 480 MHz Qualcomm QSC6155 | ? | 2 GHz MediaTek Helio A22 (MT6761V) | ? | ? |
| RAM | 128 MB | ? | 3 GB | ? | ? |
| Storage | 256 MB | ? raw hardware | 32 GB | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | 1 megapixel | 8 megapixel | - | 3 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | 1080p HD | - | ? |
| Front Camera | - | - | 5 megapixel | - | - |
| Weight |
3.7 oz (105g) |
4.9 oz (139g) |
5.51 oz (156g) |
3.99 oz (113g) |
3.6 oz (102g) |
| Dimensions |
3.94" x 2.05" x 0.68" (100 x 52 x 17.3 mm) |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
3.87" x 2.16" x 0.97" (98 x 55 x 24.6 mm) |
4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | Windows Mobile Standard |
| Network Bands |
CDMA: 800, 850, 1700, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | EVDO rA | LTE (Cat 4) | - | HSDPA 3.6 |
| Features | |||||
| Flashlight | - | Yes | Yes | - | - |
| GPS / Location | Yes | Yes | n/a | Yes | n/a |
| Ruggedized | - | Yes | - | - | - |
| Water-Resistant | - | Yes | - | - | - |
| Accessibility | |||||
| Adjustable Text Size | Yes | - | n/a | - | n/a |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | Yes | n/a | - | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | - | - |
| Alerts | |||||
| Extra Display | Yes | Yes | - | Yes | - |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| USB |
Yes Micro-USB |
Yes |
Yes USB Type C |
- | Yes |
| Wi-Fi | - | - | Yes | - |
Yes 802.11 b,g |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | - | n/a |
| Ringer ID | Yes | Yes | n/a | - | n/a |
| Voice Dialing | Yes | Yes | n/a | Yes | n/a |
| Customization | |||||
| Changeable Body Plates | - | Yes | - | - | - |
| Custom Graphics | Yes | Yes | n/a | - | n/a |
| Custom Ringtones | Yes | Yes | n/a | - | n/a |
| Real-Music Ringers | Yes | - | n/a | - | n/a |
| Data & Network | |||||
| Data Tethering | - | Yes | n/a | - | n/a |
| WAP / Web Browser | Yes | Yes | n/a | - | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | - | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | - | Yes |
| Touch Screen | - | - | Yes | - | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | - | n/a | - | n/a |
| EMS / Picture Messaging | - | Yes | n/a | - | n/a |
| Instant Messaging | - | - | n/a | - | n/a |
| MMS | Yes | Yes | n/a | - | n/a |
| Text Messaging Templates | Yes | Yes | n/a | Yes | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - | - |
| Music Player | - | Yes | n/a | - | n/a |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | - | n/a |
| Calculator | Yes | Yes | n/a | - | n/a |
| Calendar | Yes | Yes | n/a | - | n/a |
| To-Do List | - | - | n/a | - | n/a |
| Voice Memo | Yes | Yes | n/a | - | n/a |
| Software | |||||
| BREW | - | Yes | n/a | - | n/a |
| Games | Yes | Yes | n/a | - | n/a |
| Java (J2ME) | Yes | - | n/a | - | n/a |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Push-To-Talk | - | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Kyocera Coast / Kona | Casio G'zOne Boulder | AT&T Vista | Samsung Jitterbug J / SPH-A310 | Samsung Jack i637 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Kyocera Coast / Kona | Casio G'zOne Boulder | AT&T Vista | Samsung Jitterbug J / SPH-A310 | Samsung Jack i637 |
