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| Phone | Samsung DoubleTime | Samsung SCH-A990 | Samsung Chrono | Samsung Galaxy A21 | Nokia 6590 / 6590i |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
3.2" diag. 5 : 3 |
? |
2" diag. 4 : 3 |
6.5" diag. 20 : 9 |
? |
| Display Resolution & Type |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
96 x 65 pixels |
| Display Refresh | 60 Hz | ? | ? | 60 Hz | ? |
| Battery | 1,200 mAh | 1,000 mAh | ? | 4,000 mAh | 750 mAh |
| Processor | 600 MHz Qualcomm | ? | ? | 2 GHz MediaTek Helio P35 (MT6765) | ? |
| RAM | ? | ? | ? | 3 GB | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB | ? raw hardware |
| Main Camera | 3 megapixel | 3 megapixel | Yes | 16 megapixel | - |
| Wide Camera | - | - | - | 8 megapixel | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | ? | - | 1080p HD | - |
| Front Camera | - | - | - | 13 megapixel | - |
| Weight |
5.22 oz (148g) |
4.4 oz (125g) |
3.14 oz (89g) |
6.81 oz (193g) |
2.9 oz (82g) |
| Dimensions |
4.45" x 2.44" x 0.59" (113 x 62 x 15 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
3.7" x 1.83" x 0.67" (94 x 46 x 17 mm) |
6.61" x 3.02" x 0.32" (168 x 77 x 8.1 mm) |
3.78" x 1.69" x 0.75" (96 x 43 x 19.1 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
| Data Technology | HSPA 7.2 | EVDO r0 | 1xRTT | LTE (Cat 6) | GPRS |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | - | Yes | - |
| GPS / Location | n/a | Yes | Yes | n/a | Yes |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | Yes | - | - |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Infrared (IR) | - | - | - | - | Yes |
| Mobile Hotspot | n/a | - | - | n/a | - |
| NFC | - | - | - | Yes | - |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes USB Type C |
- |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | Yes | Yes | n/a | Yes |
| Ringer ID | n/a | Yes | Yes | n/a | - |
| Voice Dialing | n/a | Yes | Yes | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | - | - | - | - | Yes |
| Custom Graphics | n/a | Yes | Yes | n/a | - |
| Custom Ringtones | n/a | Yes | Yes | n/a | Yes |
| Real-Music Ringers | n/a | Yes | - | n/a | - |
| Data & Network | |||||
| Data Tethering | n/a | Yes | - | n/a | Yes |
| WAP / Web Browser | n/a | Yes | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - | - |
| Touch Screen |
Yes Capacitive |
- | - |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | n/a | - | Yes | n/a | - |
| EMS / Picture Messaging | n/a | Yes | - | n/a | Yes |
| Instant Messaging | n/a | - | - | n/a | - |
| MMS | n/a | Yes | Yes | n/a | Yes |
| Text Messaging Templates | n/a | Yes | Yes | n/a | - |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | - | Yes | - |
| Music Player | n/a | Yes | - | n/a | - |
| Stereo Speakers | - | Yes | - | - | - |
| Photo & Video | |||||
| TV Output | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | n/a | Yes | Yes | n/a | Yes |
| Calculator | n/a | Yes | Yes | n/a | Yes |
| Calendar | n/a | Yes | Yes | n/a | Yes |
| To-Do List | n/a | - | - | n/a | Yes |
| Voice Memo | n/a | Yes | Yes | n/a | Yes |
| Software | |||||
| BREW | n/a | Yes | Yes | n/a | - |
| Games | n/a | Yes | Yes | n/a | Yes |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| Samsung DoubleTime | Samsung SCH-A990 | Samsung Chrono | Samsung Galaxy A21 | Nokia 6590 / 6590i | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung DoubleTime | Samsung SCH-A990 | Samsung Chrono | Samsung Galaxy A21 | Nokia 6590 / 6590i |
