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| Phone | ZTE Aspect | Cricket Debut S2 / AT&T Calypso 4 | Motorola Droid X2 | Siemens SK65 |
| Current U.S. Carriers | (none) | AT&T | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
6.1" diag. 19.5 : 9 |
4.3" diag. 16 : 9 |
? |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
132 x 176 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | 1,000 mAh | 3,000 mAh | 1,540 mAh | 750 mAh |
| Processor | 230 MHz Qualcomm QSC6270 | 2 GHz MediaTek Helio A22 (MT6761WB) | 1 GHz dual-core Nvidia Tegra 2 AP20H | ? |
| RAM | 128 MB | 3 GB | ? | ? |
| Storage | 256 MB | 64 GB | 8 GB | ? raw hardware |
| Main Camera | 2 megapixel | 8 megapixel | 8 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | ? | 720p HD | - |
| Front Camera | - | 5 megapixel | - | - |
| Weight |
3.7 oz (105g) |
5.64 oz (160g) |
5.47 oz (155g) |
5.08 oz (144g) |
| Dimensions |
4.55" x 2.4" x 0.45" (116 x 61 x 11.4 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
5" x 2.58" x 0.39" (127 x 66 x 9.9 mm) |
4.72" x 1.85" x 0.87" (120 x 47 x 22.1 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 4 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | WCDMA (UMTS) | LTE (Cat 4) | EVDO rA | GPRS |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | Yes | n/a | n/a | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| Mobile Hotspot | - | n/a | n/a | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes | Yes |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | - |
| Ringer ID | Yes | n/a | n/a | - |
| Voice Dialing | - | n/a | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | Yes | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | - |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | Yes | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | - |
| MMS | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | - |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - |
| Music Player | Yes | n/a | n/a | - |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | Yes |
| To-Do List | - | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | Yes |
| Software | ||||
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | Yes |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Push-To-Talk | - | - | - | Yes * |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| ZTE Aspect | Cricket Debut S2 / AT&T Calypso 4 | Motorola Droid X2 | Siemens SK65 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Aspect | Cricket Debut S2 / AT&T Calypso 4 | Motorola Droid X2 | Siemens SK65 |
