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| Phone | Nokia Lumia 521 / 520 | Kyocera Hydro Wave / Hydro Air | ZTE Blade Spark |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
5" diag. 16 : 9 |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~220 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz |
| Battery | 1,430 mAh | 2,300 mAh | 3,140 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 1.2 GHz Qualcomm Snapdragon 410 (MSM8916) | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) |
| RAM | 512 MB | 1 GB | 2 GB |
| Storage | 8 GB | 8 GB | 16 GB |
| Main Camera | 5 megapixel | 5 megapixel | 13 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | 1080p HD | 1080p HD |
| Front Camera | - | 2 megapixel | 5 megapixel |
| Weight |
4.39 oz (124g) |
5.11 oz (145g) |
6.12 oz (173g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
5.66" x 2.85" x 0.42" (144 x 72 x 10.7 mm) |
6.14" x 3.06" x 0.38" (156 x 78 x 9.7 mm) |
| Platform / OS | Windows | Android | Android |
| Network Bands | |||
| Data Technology | HSPA+ 21 | LTE (Cat 4) | LTE (Cat 4) |
| Features | |||
| Fingerprint Reader | - | - |
Yes stand-alone |
| Flashlight | - | Yes | Yes |
| Ruggedized | - | Yes | - |
| Water-Resistant | - |
Yes IPX7 (snorkeling) |
- |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| USB | Yes |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | Yes |
Yes 4 (802.11 b,g,n) |
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 | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Power | |||
| Fast Charging | - | Yes * | - |
| Voice | |||
| HD Voice | - | Yes * | Yes |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Nokia Lumia 521 / 520 | Kyocera Hydro Wave / Hydro Air | ZTE Blade Spark | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | Kyocera Hydro Wave / Hydro Air | ZTE Blade Spark |
