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| Phone | Samsung Chrono | ZTE Z998 / Unico LTE | Samsung SCH-A990 | Motorola i412 | AT&T Calypso |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
4.5" diag. 16 : 9 |
? |
1.8" diag. 4 : 3 |
5.5" diag. 18 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
128 x 160 pixels (~114 ppi) LCD (TFT/TFD) |
480 x 960 pixels (~195 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? | 60 Hz |
| Battery | ? | 2,070 mAh | 1,000 mAh | 1,130 mAh | 2,500 mAh |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon 400 MSM8930 | ? | ? | 1.5 GHz MediaTek MT6739 |
| RAM | ? | 1 GB | ? | ? | 1 GB |
| Storage | ? raw hardware | 4 GB | ? raw hardware | ? raw hardware | 16 GB |
| Main Camera | Yes | 5 megapixel | 3 megapixel | Yes | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 720p HD | ? | - | 1080p HD |
| Front Camera | - | 1 megapixel | - | - | 5 megapixel |
| Weight |
3.14 oz (89g) |
4.8 oz (136g) |
4.4 oz (125g) |
3.72 oz (105g) |
6 oz (170g) |
| Dimensions |
3.7" x 1.83" x 0.67" (94 x 46 x 17 mm) |
5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
3.8" x 1.93" x 0.79" (97 x 49 x 20 mm) |
5.91" x 2.87" x 0.39" (150 x 73 x 9.9 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
iDEN: 800 |
4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | 1xRTT | LTE (Cat 3) | EVDO r0 | - | LTE (Cat 4) |
| Features | |||||
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | Yes | n/a | Yes | Yes | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | - | - | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | - | - | n/a |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- | - |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | - | n/a |
| Ringer ID | Yes | n/a | Yes | Yes | n/a |
| Voice Dialing | Yes | n/a | Yes | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | Yes | n/a |
| Real-Music Ringers | - | n/a | Yes | Yes | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | Yes | - | n/a |
| WAP / Web Browser | Yes | n/a | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | - | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | Yes | n/a | - | Yes | n/a |
| EMS / Picture Messaging | - | n/a | Yes | - | n/a |
| Instant Messaging | - | n/a | - | Yes | n/a |
| MMS | Yes | n/a | Yes | Yes | n/a |
| Text Messaging Templates | Yes | n/a | Yes | Yes | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | - | Yes |
| Music Player | - | n/a | Yes | - | n/a |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | - | n/a |
| Calculator | Yes | n/a | Yes | - | n/a |
| Calendar | Yes | n/a | Yes | Yes | n/a |
| To-Do List | - | n/a | - | Yes | n/a |
| Voice Memo | Yes | n/a | Yes | Yes | n/a |
| Software | |||||
| BREW | Yes | n/a | Yes | - | n/a |
| Games | Yes | n/a | Yes | Yes | n/a |
| Java (J2ME) | - | n/a | - | Yes | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | - | n/a | - | Yes | n/a |
| Push-To-Talk | - | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung Chrono | ZTE Z998 / Unico LTE | Samsung SCH-A990 | Motorola i412 | AT&T Calypso | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Chrono | ZTE Z998 / Unico LTE | Samsung SCH-A990 | Motorola i412 | AT&T Calypso |
