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| Phone | Samsung Transform Ultra | BlackBerry Z10 (CDMA) | ZTE Speed | Nokia Lumia 521 / 520 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
4.2" diag. 5 : 3 |
4.5" diag. 16 : 9 |
4" diag. 5 : 3 |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
768 x 1280 pixels (~355 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | 1,500 mAh | 1,800 mAh | 2,000 mAh | 1,430 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S2 MSM8655 | 1.5 GHz Qualcomm Snapdragon S4 | 1.2 GHz Qualcomm Snapdragon 410 MSM8916 | 1 GHz Qualcomm Snapdragon S4 MSM8270 |
| RAM | ? | 2 GB | 1 GB | 512 MB |
| Storage | ? raw hardware | 16 GB | 8 GB | 8 GB |
| Main Camera | 3 megapixel | 8 megapixel | 5 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | VGA (640 x 480) | 1080p HD | 720p HD | 720p HD |
| Front Camera | Yes | 2 megapixel | 2 megapixel | - |
| Weight |
4.9 oz (139g) |
4.78 oz (135g) |
4.8 oz (136g) |
4.39 oz (124g) |
| Dimensions |
4.5" x 2.4" x 0.55" (114 x 61 x 14 mm) |
5.12" x 2.58" x 0.35" (130 x 66 x 9 mm) |
5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
| Platform / OS | Android | BlackBerry 10 | Android | Windows |
| Network Bands |
CDMA: 800, 850, 1900 |
4G LTE: 13 WCDMA: 1, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
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| Data Technology | EVDO rA | LTE (Cat 3) | LTE (Cat 3) | HSPA+ 21 |
| Features | ||||
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4 (very compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| NFC | - | Yes | - | - |
| USB | Yes |
Yes Micro-USB |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | - | Yes | - | - |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Transform Ultra | BlackBerry Z10 (CDMA) | ZTE Speed | Nokia Lumia 521 / 520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Transform Ultra | BlackBerry Z10 (CDMA) | ZTE Speed | Nokia Lumia 521 / 520 |
