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| Phone | AT&T Maestro 3 | Nokia Lumia 521 / 520 | BlackBerry Z10 (GSM) |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
4" diag. 5 : 3 |
4.2" diag. 5 : 3 |
| Display Resolution & Type |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
768 x 1280 pixels (~355 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? |
| Battery | 3,900 mAh | 1,430 mAh | 1,800 mAh |
| Processor | 2 GHz MediaTek Helio A22 (MT6761) | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 1.5 GHz Qualcomm Snapdragon S4 |
| RAM | 3 GB | 512 MB | 2 GB |
| Storage | 32 GB | 8 GB | 16 GB |
| Main Camera | 13 megapixel | 5 megapixel | 8 megapixel |
| Wide Camera | 5 megapixel | - | - |
| Tele Camera | - | - | - |
| Video Capture | 1080p HD | 720p HD | 1080p HD |
| Front Camera | 5 megapixel | - | 2 megapixel |
| Weight |
6.24 oz (177g) |
4.39 oz (124g) |
4.85 oz (137g) |
| Dimensions |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
5.12" x 2.58" x 0.35" (130 x 66 x 9 mm) |
| Platform / OS | Android | Windows | BlackBerry 10 |
| Network Bands |
4G LTE: 2, 4, 5, 12, 14, 30 |
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| Data Technology | LTE (Cat 4) | HSPA+ 21 | LTE (Cat 3) |
| Features | |||
| Barometer | Yes | - | - |
| Fingerprint Reader |
Yes stand-alone |
- | - |
| Flashlight | Yes | - | - |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | - | - | Yes |
| USB |
Yes USB Type C |
Yes |
Yes Micro-USB |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes |
Yes 4 (802.11 a,b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Photo & Video | |||
| DLNA | - | - | Yes |
| TV Output | - | - | Yes |
| Voice | |||
| HD Voice | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes |
| AT&T Maestro 3 | Nokia Lumia 521 / 520 | BlackBerry Z10 (GSM) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Maestro 3 | Nokia Lumia 521 / 520 | BlackBerry Z10 (GSM) |
