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| Phone | Samsung SCH-U740 Alias | LG AX-490 | Samsung SCH-A570 | LG Stylo 4 | BlackBerry Key2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? |
6.2" diag. 18 : 9 |
4.5" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
1080 x 2160 pixels (~390 ppi) LCD (TFT/TFD) |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | 60 Hz |
| Battery | ? | 1,100 mAh | ? | 3,300 mAh | 3,500 mAh |
| Processor | ? | ? | ? | 1.8 GHz Qualcomm Snapdragon 450 | 2.2 GHz Qualcomm Snapdragon 660 |
| RAM | ? | ? | ? | 2 GB * | 6 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB * | 64 GB * |
| Main Camera | 1 megapixel | Yes | - | 13 megapixel | 12 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | 12 megapixel |
| Video Capture | ? | - | - | 1080p HD | 4K UHD |
| Front Camera | - | - | - | 5 megapixel | 8 megapixel |
| Weight |
3.56 oz (101g) |
3.79 oz (107g) |
3.6 oz (102g) |
6.07 oz (172g) |
5.93 oz (168g) |
| Dimensions |
3.84" x 2.04" x 0.63" (98 x 52 x 16 mm) |
3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) |
3.3" x 1.8" x 0.9" (84 x 46 x 22.9 mm) |
6.31" x 3.06" x 0.33" (160 x 78 x 8.4 mm) |
5.96" x 2.82" x 0.33" (151 x 72 x 8.4 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | 1xRTT | 1xRTT | LTE (Cat 6) | LTE (Cat 11) |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
Yes stand-alone |
| Flashlight | - | - | - | Yes | Yes |
| GPS / Location | Yes | Yes | Yes | n/a | n/a |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
- |
Yes M4, T3 (mostly 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 | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | - | Yes | Yes |
| NFC | - | - | - | Yes * | Yes |
| USB | Yes | 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 | - | n/a | n/a |
| Ringer ID | 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 | - | n/a | n/a |
| Data & Network | |||||
| Data Tethering | Yes | 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 |
| Stylus | - | - | - | Yes | - |
| Text Keyboard, Hardware | Yes | Yes | - | - | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | Yes | - | - | n/a | n/a |
| EMS / Picture Messaging | - | - | Yes | n/a | n/a |
| Instant Messaging | Yes | - | - | n/a | n/a |
| MMS | Yes | Yes | - | n/a | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | - | - | Yes | Yes |
| Headphone Jack (3.5mm) | - | - | - | Yes | Yes |
| Music Player | Yes | - | - | n/a | n/a |
| Stereo Speakers | - | Yes | - | - | - |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| TV Output | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | 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 | n/a | n/a |
| Voice Memo | Yes | Yes | Yes | n/a | n/a |
| Software | |||||
| BREW | Yes | Yes | Yes | n/a | n/a |
| Games | Yes | Yes | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | Yes | Yes |
| Headset Jack (2.5 mm) | - | Yes | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | - | Yes | Yes |
| * Some versions only | |||||
| Samsung SCH-U740 Alias | LG AX-490 | Samsung SCH-A570 | LG Stylo 4 | BlackBerry Key2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-U740 Alias | LG AX-490 | Samsung SCH-A570 | LG Stylo 4 | BlackBerry Key2 |
