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| Phone | Nokia Lumia 521 / 520 | ZTE Blade Vantage | Coolpad Quattro 4G | BlackBerry Bold 9900 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
5" diag. 16 : 9 |
4" diag. 5 : 3 |
2.8" diag. 4 : 3 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
640 x 480 pixels (~286 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | 1,430 mAh | 2,500 mAh | 1,600 mAh | 1,230 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | ? | 1.2 GHz Qualcomm Snapdragon S2 MSM8255 |
| RAM | 512 MB | 2 GB | ? | 768 MB |
| Storage | 8 GB | 16 GB | 512 MB | 8 GB |
| Main Camera | 5 megapixel | 8 megapixel | 3 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | 720p HD | VGA (640 x 480) | 720p HD |
| Front Camera | - | 2 megapixel | Yes | - |
| Weight |
4.39 oz (124g) |
5.29 oz (150g) |
3.31 oz (94g) |
4.59 oz (130g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
4.53" x 2.6" x 0.41" (115 x 66 x 10.5 mm) |
| Platform / OS | Windows | Android | Android | BlackBerry OS |
| Network Bands |
4G LTE: 2, 4, 5, 13 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
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| Data Technology | HSPA+ 21 | LTE (Cat 4) | LTE (Cat 3) | HSPA 14.4 |
| Features | ||||
| Flashlight | - | Yes | - | - |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth |
Yes |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| NFC | - | - | - | Yes |
| USB | Yes |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | Yes |
Yes 4 (802.11 b,g,n) |
Yes |
Yes 4 (802.11 a,b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | Yes | Yes | Yes | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Nokia Lumia 521 / 520 | ZTE Blade Vantage | Coolpad Quattro 4G | BlackBerry Bold 9900 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | ZTE Blade Vantage | Coolpad Quattro 4G | BlackBerry Bold 9900 |
