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| Phone | ZTE Z221 | BlackBerry 7750 | Motorola RAZR V3c | Samsung Sidekick 4G | Nokia 1661 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
? | ? |
3.5" diag. 5 : 3 |
1.8" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~200 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) |
128 x 160 pixels (~114 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | ? |
| Battery | 900 mAh | ? | 740 mAh | ? | 860 mAh |
| Processor | ? | ? | ? | 1 GHz Samsung Hummingbird Cortex A8 | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | 142 MB | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | - | 1 megapixel | 3 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QCIF (176 x 144) | - | ? | WVGA / 480p | - |
| Front Camera | - | - | - | Yes | - |
| Weight |
3.24 oz (92g) |
5.01 oz (142g) |
3.49 oz (99g) |
5.7 oz (162g) |
2.9 oz (82g) |
| Dimensions |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 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) |
4.25" x 1.8" x 0.53" (108 x 46 x 13.5 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slide | Slab |
| Platform / OS | (proprietary) | BlackBerry OS | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
| Data Technology | HSDPA 3.6 | 1xRTT | EVDO r0 | HSPA+ 21 | - |
| Features | |||||
| Flashlight | - | - | - | - | Yes |
| GPS / Location | Yes | n/a | Yes | n/a | - |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | - | Yes | Yes | - |
| Multiple Languages | Yes | n/a | Yes | n/a | - |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | - |
| Alerts | |||||
| Extra Display | Yes | - | Yes | - | - |
| Ringer Profiles | Yes | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
- |
Yes Classic Audio |
Yes Classic Audio |
- |
| Mobile Hotspot | - | n/a | - | n/a | - |
| USB | Yes | Yes |
Yes Mini-USB |
Yes Micro-USB |
- |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | - | n/a | Yes | n/a | - |
| Ringer ID | - | n/a | Yes | n/a | - |
| Voice Dialing | - | n/a | Yes | n/a | - |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | n/a | - |
| Custom Ringtones | Yes | n/a | Yes | n/a | - |
| Real-Music Ringers | Yes | n/a | Yes | n/a | - |
| Data & Network | |||||
| Data Tethering | - | n/a | Yes | n/a | - |
| WAP / Web Browser | Yes | n/a | Yes | n/a | - |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | - |
| Text Keyboard, Hardware | - | Yes | - | Yes | - |
| Touch Screen | - | - | - | Yes | - |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | - |
| Messaging | |||||
| Email Client | Yes | n/a | - | n/a | - |
| EMS / Picture Messaging | - | n/a | Yes | n/a | - |
| Instant Messaging | Yes | n/a | - | n/a | - |
| MMS | Yes | n/a | Yes | n/a | - |
| Text Messaging Templates | Yes | n/a | Yes | n/a | - |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | - | Yes | - |
| Music Player | - | n/a | - | n/a | - |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes | n/a | Yes |
| To-Do List | - | n/a | - | n/a | - |
| Voice Memo | Yes | n/a | Yes | n/a | Yes |
| Software | |||||
| BREW | - | n/a | Yes | n/a | - |
| Games | Yes | n/a | Yes | n/a | Yes |
| Java (J2ME) | Yes | n/a | - | n/a | - |
| Voice | |||||
| Headset Jack (2.5 mm) | - | n/a | - | n/a | Yes |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| ZTE Z221 | BlackBerry 7750 | Motorola RAZR V3c | Samsung Sidekick 4G | Nokia 1661 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z221 | BlackBerry 7750 | Motorola RAZR V3c | Samsung Sidekick 4G | Nokia 1661 |
