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| Phone | Samsung SPH-N400 | Cricket Debut S2 / AT&T Calypso 4 | Samsung SCH-A990 | Visible Midnight | Essential Phone |
| Current U.S. Carriers | (none) | AT&T | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
6.1" diag. 19.5 : 9 |
? |
6.5" diag. 20 : 9 |
5.7" diag. 17.5 : 9 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
720 x 1600 pixels (~269 ppi) LCD (TFT/TFD) |
1312 x 2560 pixels (~504 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | ? | 3,000 mAh | 1,000 mAh | 4,000 mAh | 3,040 mAh |
| Processor | ? | 2 GHz MediaTek Helio A22 (MT6761WB) | ? | MediaTek Helio P22 (MT6762) | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) |
| RAM | ? | 3 GB | ? | 3 GB | 4 GB |
| Storage | ? raw hardware | 64 GB | ? raw hardware | 32 GB | 128 GB |
| Main Camera | - | 8 megapixel | 3 megapixel | 13 megapixel | 13 megapixel |
| Wide Camera | - | - | - | 5 megapixel | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | ? | 1080p HD | 4K UHD |
| Front Camera | - | 5 megapixel | - | 8 megapixel | 8 megapixel |
| Weight |
4 oz (113g) |
5.64 oz (160g) |
4.4 oz (125g) |
6.35 oz (180g) |
6.53 oz (185g) |
| Dimensions |
4.25" x 2.04" x 0.82" (108 x 52 x 20.8 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
6.53" x 3" x 0.34" (166 x 76 x 8.6 mm) |
5.57" x 2.8" x 0.31" (141 x 71 x 7.8 mm) |
| Form Factor | Flip | Slab | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 7, 12, 13, 66 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 30, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | LTE (Cat 4) | EVDO r0 | LTE (Cat 4) | LTE (Cat 12) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
Yes stand-alone |
| Flashlight | - | Yes | Yes | Yes | Yes |
| GPS / Location | Yes | n/a | Yes | n/a | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| NFC | - | - | - | - | Yes |
| USB | Yes |
Yes USB Type C |
Yes |
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) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | n/a | n/a |
| Ringer ID | Yes | n/a | Yes | n/a | n/a |
| Voice Dialing | Yes | n/a | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a | n/a |
| Real-Music Ringers | - | n/a | Yes | n/a | n/a |
| Data & Network | |||||
| Data Tethering | Yes | n/a | Yes | n/a | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | - |
| Messaging | |||||
| EMS / Picture Messaging | - | n/a | Yes | n/a | n/a |
| MMS | - | n/a | Yes | n/a | n/a |
| Text Messaging Templates | - | n/a | Yes | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes | - |
| Music Player | - | n/a | Yes | n/a | n/a |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | Yes | - | - | Yes |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | n/a |
| Calculator | Yes | n/a | Yes | n/a | n/a |
| Calendar | Yes | n/a | Yes | n/a | n/a |
| To-Do List | Yes | n/a | - | n/a | n/a |
| Voice Memo | - | n/a | Yes | n/a | n/a |
| Software | |||||
| BREW | - | n/a | Yes | n/a | n/a |
| Games | Yes | n/a | Yes | n/a | n/a |
| Java (J2ME) | Yes | n/a | - | n/a | n/a |
| Voice | |||||
| HD Voice | - | Yes | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | - | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SPH-N400 | Cricket Debut S2 / AT&T Calypso 4 | Samsung SCH-A990 | Visible Midnight | Essential Phone | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-N400 | Cricket Debut S2 / AT&T Calypso 4 | Samsung SCH-A990 | Visible Midnight | Essential Phone |
