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| Phone | BlackBerry 8820 | HTC Droid Eris | ZTE Z221 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
3.2" diag. 5 : 3 |
2" diag. 4 : 3 |
| Display Resolution & Type |
320 x 240 pixels LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 1,400 mAh | 1,300 mAh | 900 mAh |
| Processor | ? | 528 MHz MSM7600 | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 142 MB |
| Main Camera | - | 5 megapixel | Yes |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | CIF (352 x 288) | QCIF (176 x 144) |
| Front Camera | - | - | - |
| Weight |
4.73 oz (134g) |
4.43 oz (126g) |
3.24 oz (92g) |
| Dimensions |
4.49" x 2.6" x 0.55" (114 x 66 x 14 mm) |
4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
| Form Factor | Slab | Slab | Clamshell |
| Platform / OS | BlackBerry OS | Android | (proprietary) |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EDGE | EVDO rA | HSDPA 3.6 |
| Features | |||
| GPS / Location | n/a | n/a | Yes |
| Accessibility | |||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Ringer Profiles | Yes | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| USB |
Yes Mini-USB |
Yes Mini-USB |
Yes |
| Wi-Fi | Yes |
Yes 802.11 b,g |
- |
| Contacts | |||
| Picture ID | n/a | n/a | - |
| Ringer ID | n/a | n/a | - |
| Voice Dialing | n/a | n/a | - |
| Customization | |||
| Custom Graphics | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | Yes |
| Data & Network | |||
| WAP / Web Browser | n/a | n/a | Yes |
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | Yes | - |
| Messaging | |||
| Email Client | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | Yes |
| MMS | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | n/a | n/a | - |
| Productivity | |||
| Alarm | n/a | n/a | Yes |
| Calculator | n/a | n/a | Yes |
| Calendar | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | Yes |
| Software | |||
| Games | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | Yes |
| Voice | |||
| Push-To-Talk | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| BlackBerry 8820 | HTC Droid Eris | ZTE Z221 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 8820 | HTC Droid Eris | ZTE Z221 |
