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| Phone | Ericsson R520 | Samsung Galaxy Attain 4G | BlackBerry Key2 | LG Trax CU575 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3.5" diag. 5 : 3 |
4.5" diag. 5 : 3 |
? |
| Display Resolution & Type | ? |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | ? | 1,650 mAh | 3,500 mAh | 980 mAh |
| Processor | ? | ? | 2.2 GHz Qualcomm Snapdragon 660 | ? |
| RAM | ? | 512 MB | 6 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 64 GB * | ? raw hardware |
| Main Camera | - | 3 megapixel | 12 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | 12 megapixel | - |
| Video Capture | - | WVGA / 480p | 4K UHD | QCIF (176 x 144) |
| Front Camera | - | 1 megapixel | 8 megapixel | - |
| Weight |
4.23 oz (120g) |
4.2 oz (119g) |
5.93 oz (168g) |
3.89 oz (110g) |
| Dimensions |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
4.57" x 2.38" x 0.46" (116 x 60 x 11.7 mm) |
5.96" x 2.82" x 0.33" (151 x 72 x 8.4 mm) |
3.89" x 2.01" x 0.62" (99 x 51 x 15.7 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 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 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | LTE (Cat 3) | LTE (Cat 11) | HSDPA 3.6 |
| Features | ||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | - |
| GPS / Location | - | n/a | n/a | - |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | - |
| NFC | - | - | Yes | - |
| USB | - |
Yes Micro-USB |
Yes USB Type C |
Yes |
| Wi-Fi | - | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | - | n/a | n/a | Yes |
| Ringer ID | - | n/a | n/a | - |
| Voice Dialing | Yes | n/a | n/a | Yes |
| Customization | ||||
| Custom Graphics | - | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | Yes |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | 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 | n/a | Yes |
| Instant Messaging | - | n/a | n/a | Yes |
| MMS | - | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | - | n/a | n/a | Yes |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | Yes |
| To-Do List | - | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | Yes |
| Software | ||||
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | - | n/a | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Ericsson R520 | Samsung Galaxy Attain 4G | BlackBerry Key2 | LG Trax CU575 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R520 | Samsung Galaxy Attain 4G | BlackBerry Key2 | LG Trax CU575 |
