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| Phone | Nokia Lumia 521 / 520 | Motorola Droid X | Samsung Galaxy A71 5G | BlackBerry Storm2 9550 | ZTE Prelude / Avail 2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
4.3" diag. 16 : 9 |
6.7" diag. 20 : 9 |
3.3" diag. 4 : 3 |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~228 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~393 ppi) AMOLED |
360 x 480 pixels (~185 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 1,430 mAh | 1,540 mAh | 4,500 mAh | 1,400 mAh | 1,500 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 1 GHz TI OMAP 3630 (ARM Cortex A8) | 2.4 GHz Qualcomm Snapdragon 765 | ? | 1 GHz Qualcomm Snapdragon MSM7225A |
| RAM | 512 MB | ? | 6 GB | ? | 512 MB |
| Storage | 8 GB | 8 GB | 128 GB | ? raw hardware | 4 GB |
| Main Camera | 5 megapixel | 8 megapixel | 64 megapixel | 3 megapixel | 2 megapixel |
| Wide Camera | - | - | 12 megapixel | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 720p HD | 720p HD | 4K UHD | ? | VGA (640 x 480) |
| Front Camera | - | - | 32 megapixel | - | - |
| Weight |
4.39 oz (124g) |
5.47 oz (155g) |
6.52 oz (185g) |
5.64 oz (160g) |
4.4 oz (125g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
5" x 2.6" x 0.4" (127 x 66 x 10.2 mm) |
6.39" x 2.97" x 0.31" (162 x 75 x 7.9 mm) |
4.43" x 2.45" x 0.55" (113 x 62 x 14 mm) |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
| Platform / OS | Windows | Android | Android | BlackBerry OS | Android |
| Network Bands |
CDMA: 850, 1900 |
5G: 2, 5, 41, 66, 71, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
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| Data Technology | HSPA+ 21 | EVDO rA | NR (5G) | EVDO rA | HSPA 7.2 |
| Features | |||||
| Fingerprint Reader | - | - |
Yes in-display (optical) |
- | - |
| Flashlight | - | - | Yes | - | - |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| NFC | - | - | Yes | - | - |
| USB | Yes | Yes |
Yes USB Type C |
Yes | Yes |
| Wi-Fi | Yes | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
| Input | |||||
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | Yes |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes | Yes |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| TV Output | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Nokia Lumia 521 / 520 | Motorola Droid X | Samsung Galaxy A71 5G | BlackBerry Storm2 9550 | ZTE Prelude / Avail 2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | Motorola Droid X | Samsung Galaxy A71 5G | BlackBerry Storm2 9550 | ZTE Prelude / Avail 2 |
