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| Phone | ZTE Z221 | Samsung SGH-A157 | Nokia 6165i | HTC G2 | Samsung SCH-A220 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
1.8" diag. 4 : 3 |
? |
3.7" diag. 5 : 3 |
? |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
480 x 800 pixels (~252 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
| Display Refresh | ? | ? | ? | 60 Hz | ? |
| Battery | 900 mAh | 800 mAh | 1,150 mAh | 1,300 mAh | ? |
| Processor | ? | ? | ? | 800 MHz Qualcomm S2 MSM7230 | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | 142 MB | 256 MB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | - | 1 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QCIF (176 x 144) | - | ? | 720p HD | - |
| Front Camera | - | - | - | - | - |
| Weight |
3.24 oz (92g) |
2.99 oz (85g) |
4.44 oz (126g) |
6.5 oz (184g) |
3.25 oz (92g) |
| Dimensions |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
3.42" x 1.79" x 0.98" (87 x 45 x 24.9 mm) |
4.68" x 2.37" x 0.55" (119 x 60 x 14 mm) |
2.87" x 2.09" x 0.94" (73 x 53 x 23.9 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | HSDPA 3.6 | ? | 1xRTT | HSPA 14.4 | 1xRTT |
| Features | |||||
| GPS / Location | Yes | Yes | Yes | n/a | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | Yes | - | n/a | - |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
- |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | Yes | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | - |
| Alerts | |||||
| Extra Display | Yes | - | Yes | - | - |
| Ringer Profiles | Yes | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | Yes | - |
| Infrared (IR) | - | - | Yes | - | - |
| Mobile Hotspot | - | - | - | n/a | - |
| USB | Yes |
Yes Micro-USB |
Yes | Yes | - |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | - | Yes | Yes | n/a | - |
| Ringer ID | - | Yes | Yes | n/a | Yes |
| Voice Dialing | - | - | Yes | n/a | Yes |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | Yes | n/a | Yes |
| Real-Music Ringers | Yes | Yes | Yes | n/a | - |
| Data & Network | |||||
| Data Tethering | - | - | Yes | n/a | Yes |
| WAP / Web Browser | Yes | Yes | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | Yes |
| Side Keys | Yes | - | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - | - | - |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | - |
| Messaging | |||||
| Email Client | Yes | - | - | n/a | - |
| Instant Messaging | Yes | - | - | n/a | - |
| MMS | Yes | Yes | Yes | n/a | - |
| Text Messaging Templates | Yes | Yes | Yes | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | Yes | - |
| Music Player | - | - | - | n/a | - |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | Yes | n/a | Yes |
| To-Do List | - | Yes | Yes | n/a | Yes |
| Voice Memo | Yes | Yes | Yes | n/a | Yes |
| Software | |||||
| BREW | - | - | Yes * | n/a | - |
| Games | Yes | - | Yes | n/a | - |
| Java (J2ME) | Yes | - | Yes * | n/a | - |
| Voice | |||||
| Headset Jack (2.5 mm) | - | - | Yes | n/a | Yes |
| Push-To-Talk | - | - | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| * Some versions only | |||||
| ZTE Z221 | Samsung SGH-A157 | Nokia 6165i | HTC G2 | Samsung SCH-A220 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z221 | Samsung SGH-A157 | Nokia 6165i | HTC G2 | Samsung SCH-A220 |
