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| Phone | AT&T Calypso | Nokia 2720 V Flip | BlackBerry Key2 LE | Samsung SGH-C207 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5.5" diag. 18 : 9 |
2.8" diag. 4 : 3 |
4.5" diag. 5 : 3 |
? |
| Display Resolution & Type |
480 x 960 pixels (~195 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | 2,500 mAh | 1,500 mAh | 3,000 mAh | ? |
| Processor | 1.5 GHz MediaTek MT6739 | Qualcomm 8909 | 1.8 GHz Qualcomm Snapdragon 636 | ? |
| RAM | 1 GB | 512 MB | 4 GB | ? |
| Storage | 16 GB | 4 GB | 32 GB * | ? raw hardware |
| Main Camera | 5 megapixel | 2 megapixel | 13 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | ? | 4K UHD | - |
| Front Camera | 5 megapixel | - | 8 megapixel | - |
| Weight |
6 oz (170g) |
4.16 oz (118g) |
5.5 oz (156g) |
2.43 oz (69g) |
| Dimensions |
5.91" x 2.87" x 0.39" (150 x 73 x 9.9 mm) |
4.13" x 2.15" x 0.74" (105 x 55 x 18.8 mm) |
5.92" x 2.83" x 0.33" (150 x 72 x 8.4 mm) |
4.13" x 1.69" x 0.75" (105 x 43 x 19.1 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 13 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 29, 38, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
| Data Technology | LTE (Cat 4) | LTE (Cat 4) | LTE (Cat 13) | GPRS |
| Features | ||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | Yes | Yes | Yes | - |
| GPS / Location | n/a | Yes | n/a | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | Yes | n/a | - |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | - | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Mobile Hotspot | n/a | Yes | n/a | - |
| NFC | - | - | Yes | - |
| USB |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
- |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | Yes |
| Ringer ID | n/a | - | n/a | Yes |
| Voice Dialing | n/a | Yes | n/a | - |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | - |
| Data & Network | ||||
| Dual-SIM | - | - | Yes * | - |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | 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 | - | n/a | Yes |
| Instant Messaging | n/a | - | n/a | Yes |
| MMS | n/a | Yes | n/a | Yes |
| Text Messaging Templates | n/a | - | n/a | Yes |
| Music | ||||
| FM Radio | - | Yes | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - |
| Music Player | n/a | Yes | n/a | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | Yes |
| Calculator | n/a | Yes | n/a | Yes |
| Calendar | n/a | Yes | n/a | Yes |
| To-Do List | n/a | - | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | Yes |
| Software | ||||
| Games | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | - | n/a | Yes |
| Voice | ||||
| HD Voice | Yes | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | - |
| * Some versions only | ||||
| AT&T Calypso | Nokia 2720 V Flip | BlackBerry Key2 LE | Samsung SGH-C207 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Calypso | Nokia 2720 V Flip | BlackBerry Key2 LE | Samsung SGH-C207 |
