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| Phone | BlackBerry Key2 | Nokia Lumia 521 / 520 | HTC Droid Eris | Huawei M750 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 5 : 3 |
4" diag. 5 : 3 |
3.2" diag. 5 : 3 |
2.8" diag. 4 : 3 |
| Display Resolution & Type |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | 3,500 mAh | 1,430 mAh | 1,300 mAh | 1,150 mAh |
| Processor | 2.2 GHz Qualcomm Snapdragon 660 | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 528 MHz MSM7600 | ? |
| RAM | 6 GB | 512 MB | ? | ? |
| Storage | 64 GB * | 8 GB | ? raw hardware | ? raw hardware |
| Main Camera | 12 megapixel | 5 megapixel | 5 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | 12 megapixel | - | - | - |
| Video Capture | 4K UHD | 720p HD | CIF (352 x 288) | - |
| Front Camera | 8 megapixel | - | - | - |
| Weight |
5.93 oz (168g) |
4.39 oz (124g) |
4.43 oz (126g) |
3.92 oz (111g) |
| Dimensions |
5.96" x 2.82" x 0.33" (151 x 72 x 8.4 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm) |
4.21" x 2.25" x 0.59" (107 x 57 x 14.9 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | Windows | Android | (proprietary) |
| Network Bands |
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 |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
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| Data Technology | LTE (Cat 11) | HSPA+ 21 | EVDO rA | 1xRTT |
| Features | ||||
| Fingerprint Reader |
Yes stand-alone |
- | - | - |
| Flashlight | Yes | - | - | - |
| GPS / Location | n/a | n/a | n/a | Yes |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | n/a | n/a | - |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | n/a | - |
| NFC | Yes | - | - | - |
| USB |
Yes USB Type C |
Yes |
Yes Mini-USB |
Yes |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes |
Yes 802.11 b,g |
- |
| Contacts | ||||
| Picture ID | n/a | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | n/a | - |
| Customization | ||||
| Custom Graphics | n/a | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | n/a | n/a | - |
| WAP / Web Browser | n/a | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | n/a | - |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | - | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Resistive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | n/a | Yes |
| MMS | n/a | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | n/a | Yes |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Music Player | n/a | n/a | n/a | Yes |
| Photo & Video | ||||
| TV Output | Yes | - | - | - |
| Power | ||||
| Fast Charging | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | n/a | Yes |
| Calculator | n/a | n/a | n/a | Yes |
| Calendar | n/a | n/a | n/a | Yes |
| To-Do List | n/a | n/a | n/a | - |
| Voice Memo | n/a | n/a | n/a | Yes |
| Software | ||||
| BREW | n/a | n/a | n/a | Yes |
| Games | n/a | n/a | n/a | Yes |
| Voice | ||||
| HD Voice | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| BlackBerry Key2 | Nokia Lumia 521 / 520 | HTC Droid Eris | Huawei M750 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry Key2 | Nokia Lumia 521 / 520 | HTC Droid Eris | Huawei M750 |
