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| Phone | Samsung MM-A940 | LG Tritan AX-840 / UX-840 | Samsung Mysto | Cricket Debut S2 / AT&T Calypso 4 | Samsung Galaxy A21 |
| Current U.S. Carriers | (none) | (none) | (none) | AT&T | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
3" diag. 5 : 3 |
2.2" diag. 4 : 3 |
6.1" diag. 19.5 : 9 |
6.5" diag. 20 : 9 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
240 x 400 pixels (~155 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | 60 Hz |
| Battery | ? | 950 mAh | 880 mAh | 3,000 mAh | 4,000 mAh |
| Processor | ? | ? | ? | 2 GHz MediaTek Helio A22 (MT6761WB) | 2 GHz MediaTek Helio P35 (MT6765) |
| RAM | ? | ? | ? | 3 GB | 3 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 64 GB | 32 GB |
| Main Camera | 2 megapixel | 3 megapixel | 2 megapixel | 8 megapixel | 16 megapixel |
| Wide Camera | - | - | - | - | 8 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | QVGA (320 x 240) | QVGA (320 x 240) | ? | 1080p HD |
| Front Camera | - | - | - | 5 megapixel | 13 megapixel |
| Weight |
4.9 oz (139g) |
5.03 oz (143g) |
3.35 oz (95g) |
5.64 oz (160g) |
6.81 oz (193g) |
| Dimensions |
3.68" x 1.83" x 1.01" (93 x 46 x 25.7 mm) |
4.45" x 2.24" x 0.65" (113 x 57 x 16.5 mm) |
4.13" x 1.95" x 0.5" (105 x 50 x 12.7 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
6.61" x 3.02" x 0.32" (168 x 77 x 8.1 mm) |
| Form Factor | Clamshell | Slide | Slide | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
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 |
| Data Technology | EVDO r0 | EVDO r0 | EVDO r0 | LTE (Cat 4) | LTE (Cat 6) |
| Features | |||||
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | Yes | Yes |
| GPS / Location | Yes | Yes | Yes | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | Yes | Yes | n/a | n/a |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M4 (very compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | - | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| NFC | - | - | - | - | Yes |
| USB | - |
Yes Micro-USB |
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) |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | Yes | n/a | n/a |
| Voice Dialing | Yes | Yes | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a | n/a |
| Real-Music Ringers | - | Yes | Yes | n/a | n/a |
| Data & Network | |||||
| Data Tethering | Yes | - | - | n/a | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | - | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | - | Yes | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | Yes | Yes | n/a | n/a |
| Instant Messaging | - | Yes | Yes | n/a | n/a |
| MMS | - | Yes | - | n/a | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes | Yes |
| Music Player | Yes | Yes | Yes | n/a | n/a |
| Power | |||||
| Fast Charging | - | - | - | Yes | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | Yes | n/a | n/a |
| To-Do List | Yes | - | Yes | n/a | n/a |
| Voice Memo | Yes | Yes | Yes | n/a | n/a |
| Software | |||||
| BREW | - | Yes | - | n/a | n/a |
| Games | Yes | Yes | Yes | n/a | n/a |
| Java (J2ME) | Yes | - | - | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | Yes | Yes |
| Headset Jack (2.5 mm) | Yes | - | - | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung MM-A940 | LG Tritan AX-840 / UX-840 | Samsung Mysto | Cricket Debut S2 / AT&T Calypso 4 | Samsung Galaxy A21 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung MM-A940 | LG Tritan AX-840 / UX-840 | Samsung Mysto | Cricket Debut S2 / AT&T Calypso 4 | Samsung Galaxy A21 |
