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| Phone | Casio G'zOne Rock | Samsung SCH-A890 | TCL 40 XL / Jitterbug Smart 4 | Samsung SGH-A157 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
? |
6.8" diag. 20 : 9 |
1.8" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~190 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
720 x 1600 pixels (~260 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 90 Hz | ? |
| Battery | 1,150 mAh | ? | 5,000 mAh | 800 mAh |
| Processor | ? | ? | 2.3 GHz MediaTek Helio G37 | ? |
| RAM | ? | ? | 4 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 128 GB | 256 MB |
| Main Camera | 2 megapixel | 1 megapixel | 50 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | ? | 1080p HD | - |
| Front Camera | - | - | 8 megapixel | - |
| Weight |
4.4 oz (125g) |
2.8 oz (79g) |
6.88 oz (195g) |
2.99 oz (85g) |
| Dimensions |
4.1" x 2" x 0.9" (104 x 51 x 22.9 mm) |
3.5" x 1.97" x 0.98" (89 x 50 x 24.9 mm) |
6.61" x 3.01" x 0.35" (168 x 76 x 8.8 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO rA | EVDO r0 | LTE (Cat 6) | ? |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - | Yes | - |
| Flashlight | Yes | - | Yes | - |
| GPS / Location | Yes | Yes | n/a | Yes |
| Ruggedized | Yes | - | - | - |
| Water-Resistant | Yes | - | - | - |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | Yes |
| Hearing Aid Compatible | Yes | - | Yes | Yes |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | Yes | - | - |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
- |
Yes Classic Audio |
- |
| USB | Yes | - |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | Yes |
| Ringer ID | Yes | Yes | n/a | Yes |
| Voice Dialing | Yes | Yes | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | Yes | - | n/a | Yes |
| Data & Network | ||||
| Data Tethering | Yes | - | n/a | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | - |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Messaging | ||||
| Email Client | Yes | - | n/a | - |
| Instant Messaging | Yes | - | n/a | - |
| MMS | Yes | Yes | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | Yes | - | n/a | - |
| Stereo Speakers | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | - | Yes | n/a | Yes |
| Voice Memo | Yes | Yes | n/a | Yes |
| Software | ||||
| BREW | Yes | Yes | n/a | - |
| Games | Yes | Yes | n/a | - |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | Yes | n/a | - |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | - | Yes | Yes |
| Casio G'zOne Rock | Samsung SCH-A890 | TCL 40 XL / Jitterbug Smart 4 | Samsung SGH-A157 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Casio G'zOne Rock | Samsung SCH-A890 | TCL 40 XL / Jitterbug Smart 4 | Samsung SGH-A157 |
