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| Phone | Audiovox PPC 4100 / SP230 | HTC SDA (USA) / SP5m (Tornado) | ZTE Engage LT / Engage MT |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
2.2" diag. 4 : 3 |
4" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz |
| Battery | 1,480 mAh | ? | 1,900 mAh |
| Processor | 400 MHz Intel XScale | ? | ? |
| RAM | ? | ? | 1 GB |
| Storage | ? raw hardware | ? raw hardware | 4 GB |
| Main Camera | - | 1 megapixel | 3 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | QCIF (176 x 144) | WVGA / 480p |
| Front Camera | - | - | Yes |
| Weight |
5.57 oz (158g) |
3.74 oz (106g) |
5.09 oz (144g) |
| Dimensions |
4.29" x 2.7" x 0.85" (109 x 69 x 21.6 mm) |
4.53" x 1.82" x 0.69" (115 x 46 x 17.5 mm) |
4.78" x 2.54" x 0.46" (121 x 64 x 11.7 mm) |
| Platform / OS | Windows Mobile Professional | Windows Mobile Standard | Android |
| Network Bands |
GSM: 850, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | GPRS | EDGE | EVDO rA |
| Features | |||
| Accessibility | |||
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Ringer Profiles | - | Yes | - |
| Connectivity | |||
| Bluetooth | - | Yes |
Yes Classic Audio |
| Infrared (IR) | Yes | Yes | - |
| USB | Yes |
Yes Mini-USB |
Yes Micro-USB |
| Wi-Fi | - | Yes | Yes |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Touch Screen | Yes | - | Yes |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Music | |||
| Headphone Jack (3.5mm) | - | - | Yes |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| Audiovox PPC 4100 / SP230 | HTC SDA (USA) / SP5m (Tornado) | ZTE Engage LT / Engage MT | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Audiovox PPC 4100 / SP230 | HTC SDA (USA) / SP5m (Tornado) | ZTE Engage LT / Engage MT |










