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| Phone | ZTE Blade Spark | Nokia Lumia 521 / 520 | Apple iPhone 4 (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
5.5" diag. 16 : 9 |
4" diag. 5 : 3 |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz |
| Battery | 3,140 mAh | 1,430 mAh | ? |
| Processor | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | 1 GHz Qualcomm Snapdragon S4 MSM8270 | ? |
| RAM | 2 GB | 512 MB | ? |
| Storage | 16 GB | 8 GB | 8 GB * |
| Main Camera | 13 megapixel | 5 megapixel | 5 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 1080p HD | 720p HD | 720p HD |
| Front Camera | 5 megapixel | - | Yes |
| Weight |
6.12 oz (173g) |
4.39 oz (124g) |
4.8 oz (136g) |
| Dimensions |
6.14" x 3.06" x 0.38" (156 x 78 x 9.7 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
| Platform / OS | Android | Windows | iOS |
| Network Bands |
CDMA: 850, 1900 |
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| Data Technology | LTE (Cat 4) | HSPA+ 21 | EVDO rA |
| Features | |||
| Fingerprint Reader |
Yes stand-alone |
- | - |
| Flashlight | Yes | - | - |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| USB |
Yes USB Type C |
Yes | Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes |
Yes 4 (802.11 b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | Yes | - |
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Photo & Video | |||
| TV Output | - | - | Yes |
| Voice | |||
| HD Voice | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes |
| ZTE Blade Spark | Nokia Lumia 521 / 520 | Apple iPhone 4 (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Blade Spark | Nokia Lumia 521 / 520 | Apple iPhone 4 (CDMA) |
