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| Phone | ZTE Z221 | Motorola Charm | Samsung UpStage M620 | Nokia 8600 Luna |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
2.8" diag. 4 : 3 |
2.1" diag. 4 : 3 |
2" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~143 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 900 mAh | 1,170 mAh | 620 mAh | 900 mAh |
| Processor | ? | 720 MHz TI OMAP3410 | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | 142 MB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | 3 megapixel | 1 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | ? | ? | QCIF (176 x 144) |
| Front Camera | - | - | - | - |
| Weight |
3.24 oz (92g) |
3.88 oz (110g) |
2.57 oz (73g) |
4.94 oz (140g) |
| Dimensions |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm) |
4.07" x 1.73" x 0.37" (103 x 44 x 9.4 mm) |
4.21" x 1.77" x 0.63" (107 x 45 x 16 mm) |
| Form Factor | Clamshell | Slab | Slab | Slide |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSDPA 3.6 | HSDPA 3.6 | EVDO r0 | EDGE |
| Features | ||||
| GPS / Location | Yes | n/a | - | - |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | Yes | Yes |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4 (very compatible) |
- |
| Multiple Languages | Yes | n/a | - | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | Yes | - | Yes | - |
| Ringer Profiles | Yes | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| USB | Yes |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | - | n/a | Yes | Yes |
| Ringer ID | - | n/a | Yes | Yes |
| Voice Dialing | - | n/a | Yes | Yes |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | Yes | n/a | Yes | Yes |
| Data & Network | ||||
| Data Tethering | - | n/a | - | Yes |
| External Antenna Jack | - | n/a | Yes | - |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | - |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | Yes | n/a | - | Yes |
| EMS / Picture Messaging | - | n/a | - | Yes |
| Instant Messaging | Yes | n/a | Yes | Yes |
| MMS | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | Yes | Yes |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | - | n/a | Yes | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| To-Do List | - | n/a | Yes | Yes |
| Voice Memo | Yes | n/a | Yes | Yes |
| Software | ||||
| Games | Yes | n/a | Yes | Yes |
| Java (J2ME) | Yes | n/a | Yes | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| ZTE Z221 | Motorola Charm | Samsung UpStage M620 | Nokia 8600 Luna | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z221 | Motorola Charm | Samsung UpStage M620 | Nokia 8600 Luna |
