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| Phone | Nuu F4L | BlackBerry 7750 | Sony Xperia Pro | Samsung SPH-i550 | ZTE Z221 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Not yet released | Released | Released | Not yet released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.8" diag. 4 : 3 |
? |
6.5" diag. 21 : 9 |
? |
2" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~143 ppi) LCD (STN) |
240 x 240 pixels LCD (Color) |
1644 x 3840 pixels (~643 ppi) AMOLED |
320 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? | ? |
| Battery | 1,350 mAh | ? | 4,000 mAh | ? | 900 mAh |
| Processor | 1.1 GHz MediaTek MT6731 | ? | Qualcomm Snapdragon 865 | 200 MHz Motorola MX-1 | ? |
| RAM | 512 MB | ? | 12 GB | ? | ? |
| Storage | 4 GB | ? raw hardware | 512 GB | ? raw hardware | 142 MB |
| Main Camera | 2 megapixel | - | 12 megapixel | 1 megapixel | Yes |
| Wide Camera | - | - | 12 megapixel | - | - |
| Tele Camera | - | - | 12 megapixel | - | - |
| Video Capture | 720p HD | - | 4K UHD | ? | QCIF (176 x 144) |
| Front Camera | Yes | - | 8 megapixel | - | - |
| Weight |
4.5 oz (128g) |
5.01 oz (142g) |
7.94 oz (225g) |
? |
3.24 oz (92g) |
| Dimensions |
4.31" x 2.27" x 0.83" (109 x 58 x 21 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
6.7" x 3" x 0.4" (170 x 76 x 10.2 mm) |
3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | BlackBerry OS | Android | Palm OS | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 5, 12, 13, 66 WCDMA: 2, 4, 5 GSM: 850, 1900 |
CDMA: 850, 1900 |
5G: 2, 5, 66, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 4) | 1xRTT | NR (5G) | 1xRTT | HSDPA 3.6 |
| Features | |||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | Yes | - | Yes | - | - |
| GPS / Location | Yes | n/a | n/a | n/a | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||||
| Adjustable Text Size | Yes | n/a | n/a | n/a | - |
| Hearing Aid Compatible | Yes | - | Yes | - | Yes |
| Multiple Languages | Yes | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | Yes | Yes |
| Ringer Profiles | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | - | Yes |
| Infrared (IR) | - | - | - | Yes | - |
| NFC | - | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes |
Yes USB Type C |
- | Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | n/a | - |
| Ringer ID | Yes | n/a | n/a | n/a | - |
| Voice Dialing | - | n/a | n/a | n/a | - |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | n/a | Yes |
| Custom Ringtones | - | n/a | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | n/a | Yes |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | - |
| Dual-SIM | - | - | Yes | - | - |
| WAP / Web Browser | Yes | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | - | - | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | Yes | n/a | n/a | n/a | Yes |
| Instant Messaging | Yes | n/a | n/a | n/a | Yes |
| MMS | Yes | n/a | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | n/a | Yes |
| Music | |||||
| FM Radio | Yes | - | - | - | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - | - |
| Music Player | Yes | n/a | n/a | n/a | - |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | n/a | Yes |
| To-Do List | - | n/a | n/a | n/a | - |
| Voice Memo | Yes | n/a | n/a | n/a | Yes |
| Software | |||||
| Games | - | n/a | n/a | n/a | Yes |
| Java (J2ME) | - | n/a | n/a | n/a | Yes |
| Voice | |||||
| HD Voice | Yes | - | Yes | - | - |
| Headset Jack (2.5 mm) | - | n/a | n/a | n/a | - |
| Speaker Phone | Yes | - | Yes | - | Yes |
| Nuu F4L | BlackBerry 7750 | Sony Xperia Pro | Samsung SPH-i550 | ZTE Z221 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nuu F4L | BlackBerry 7750 | Sony Xperia Pro | Samsung SPH-i550 | ZTE Z221 |
