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| Phone | Nokia Lumia 521 / 520 | BlackBerry 7750 | Motorola RAZR V3c | Samsung Sidekick 4G | Boost Celero5G (2024) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | Boost |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
? | ? |
3.5" diag. 5 : 3 |
6.5" diag. 20 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
176 x 220 pixels LCD (TFT/TFD) |
480 x 800 pixels (~267 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | 90 Hz |
| Battery | 1,430 mAh | ? | 740 mAh | ? | 5,000 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | ? | ? | 1 GHz Samsung Hummingbird Cortex A8 | 2.5 GHz MediaTek Dimensity 1050 (MT6879) |
| RAM | 512 MB | ? | ? | ? | 6 GB |
| Storage | 8 GB | ? raw hardware | ? raw hardware | ? raw hardware | 128 GB |
| Main Camera | 5 megapixel | - | 1 megapixel | 3 megapixel | 50 megapixel |
| Wide Camera | - | - | - | - | 8 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | 720p HD | - | ? | WVGA / 480p | 1080p HD |
| Front Camera | - | - | - | Yes | 8 megapixel |
| Weight |
4.39 oz (124g) |
5.01 oz (142g) |
3.49 oz (99g) |
5.7 oz (162g) |
7.23 oz (205g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
3.9" x 2.1" x 0.6" (99 x 53 x 15.2 mm) |
5" x 2.42" x 0.6" (127 x 61 x 15.2 mm) |
6.55" x 2.96" x 0.35" (166 x 75 x 8.9 mm) |
| Form Factor | Slab | Slab | Clamshell | Slide | Slab |
| Platform / OS | Windows | BlackBerry OS | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 25, 26, 29, 30, 41, 48, 66, 70, 71, 77-C 4G LTE: 2, 4, 5, 12, 14, 26, 29, 30, 48, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSPA+ 21 | 1xRTT | EVDO r0 | HSPA+ 21 | NR (5G) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | - | Yes |
| GPS / Location | n/a | n/a | Yes | n/a | n/a |
| Water-Resistant | - | - | - | - |
Yes IPX2 (drip) |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | - | Yes | Yes | Yes |
| Multiple Languages | n/a | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | - |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | - |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Mobile Hotspot | n/a | n/a | - | n/a | n/a |
| NFC | - | - | - | - | Yes |
| USB | Yes | Yes |
Yes Mini-USB |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | Yes | - | - |
Yes 4 (802.11 b,g,n) |
Yes 6E (802.11 a,ac,ax,b,g,n) |
| Contacts | |||||
| Picture ID | n/a | n/a | Yes | n/a | n/a |
| Ringer ID | n/a | n/a | Yes | n/a | n/a |
| Voice Dialing | n/a | n/a | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | n/a | Yes | n/a | n/a |
| Data & Network | |||||
| Data Tethering | n/a | n/a | Yes | n/a | n/a |
| WAP / Web Browser | n/a | n/a | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | Yes | - |
| Touch Screen | Yes | - | - | Yes | Yes |
| Memory | |||||
| Memory Card Slot | Yes | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | n/a | - | n/a | n/a |
| EMS / Picture Messaging | n/a | n/a | Yes | n/a | n/a |
| Instant Messaging | n/a | n/a | - | n/a | n/a |
| MMS | n/a | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | - | Yes | Yes |
| Music Player | n/a | n/a | - | n/a | n/a |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | n/a | n/a | Yes | n/a | n/a |
| Calculator | n/a | n/a | Yes | n/a | n/a |
| Calendar | n/a | n/a | Yes | n/a | n/a |
| To-Do List | n/a | n/a | - | n/a | n/a |
| Voice Memo | n/a | n/a | Yes | n/a | n/a |
| Software | |||||
| BREW | n/a | n/a | Yes | n/a | n/a |
| Games | n/a | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | n/a | - | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | n/a | - | n/a | n/a |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| Nokia Lumia 521 / 520 | BlackBerry 7750 | Motorola RAZR V3c | Samsung Sidekick 4G | Boost Celero5G (2024) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | BlackBerry 7750 | Motorola RAZR V3c | Samsung Sidekick 4G | Boost Celero5G (2024) |
