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| Phone | ZTE Z221 | BlackBerry Storm2 9550 | BlackBerry Curve 3G 9330 | Motorola Droid RAZR MAXX |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
3.3" diag. 4 : 3 |
2.5" diag. 4 : 3 |
4.3" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
360 x 480 pixels (~185 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~160 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~256 ppi) AMOLED |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 900 mAh | 1,400 mAh | 1,150 mAh | 3,300 mAh |
| Processor | ? | ? | ? | 1.2 GHz TI OMAP4430 |
| RAM | ? | ? | ? | 1 GB |
| Storage | 142 MB | ? raw hardware | ? raw hardware | 16 GB |
| Main Camera | Yes | 3 megapixel | 2 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | ? | ? | 1080p HD |
| Front Camera | - | - | - | 1 megapixel |
| Weight |
3.24 oz (92g) |
5.64 oz (160g) |
3.7 oz (105g) |
5.11 oz (145g) |
| Dimensions |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
4.43" x 2.45" x 0.55" (113 x 62 x 14 mm) |
4.29" x 2.36" x 0.55" (109 x 60 x 14 mm) |
5.15" x 2.71" x 0.35" (131 x 69 x 9 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | BlackBerry OS | BlackBerry OS | Android |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 13 CDMA: 850, 1900 |
| Data Technology | HSDPA 3.6 | EVDO rA | EVDO r0 | LTE (Cat 3) |
| Features | ||||
| GPS / Location | Yes | n/a | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | n/a |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | Yes | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | n/a |
| USB | Yes | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - |
Yes 802.11 b,g |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | - | n/a | n/a | n/a |
| Ringer ID | - | n/a | n/a | n/a |
| Voice Dialing | - | n/a | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a |
| Real-Music Ringers | Yes | n/a | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | n/a |
| WAP / Web Browser | Yes | n/a | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | n/a | n/a |
| Instant Messaging | Yes | n/a | n/a | n/a |
| MMS | Yes | n/a | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Music Player | - | n/a | n/a | n/a |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| TV Output | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a |
| To-Do List | - | n/a | n/a | n/a |
| Voice Memo | Yes | n/a | n/a | n/a |
| Software | ||||
| Games | Yes | n/a | n/a | n/a |
| Java (J2ME) | Yes | n/a | n/a | n/a |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes |
| ZTE Z221 | BlackBerry Storm2 9550 | BlackBerry Curve 3G 9330 | Motorola Droid RAZR MAXX | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z221 | BlackBerry Storm2 9550 | BlackBerry Curve 3G 9330 | Motorola Droid RAZR MAXX |
