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| Phone | Samsung SCH-A990 | Cal-Comp EZ | Siemens C56 | TCL A30 / A3 | Samsung Chrono 2 / Contour 2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? |
5.5" diag. 18 : 9 |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
101 x 64 pixels |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 1,000 mAh | 800 mAh | 700 mAh | 3,000 mAh | 1,000 mAh |
| Processor | ? | ? | ? | 2 GHz MediaTek Helio P22 (MT6762V) | ? |
| RAM | ? | ? | ? | 3 GB | 512 MB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB | 1 GB |
| Main Camera | 3 megapixel | - | - | 8 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | - | - | 1080p HD | - |
| Front Camera | - | - | - | 5 megapixel | - |
| Weight |
4.4 oz (125g) |
2.47 oz (70g) |
3 oz (85g) |
6.03 oz (171g) |
3.6 oz (102g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
3.98" x 1.73" x 0.83" (101 x 44 x 21.1 mm) |
5.74" x 2.8" x 0.39" (146 x 71 x 9.9 mm) |
3.79" x 1.88" x 0.73" (96 x 48 x 18.5 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
GSM: 850, 1900 |
4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | EVDO r0 | 1xRTT | GPRS | LTE (Cat 4) | 1xRTT |
| Features | |||||
| Flashlight | Yes | - | - | Yes | - |
| GPS / Location | Yes | Yes | Yes | n/a | Yes |
| Water-Resistant | - | - | - |
Yes IPX2 (drip) |
- |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | Yes |
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | - | - | Yes | Yes |
| USB | Yes |
Yes Mini-USB |
Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | - | - | n/a | Yes |
| Ringer ID | Yes | - | Yes | n/a | Yes |
| Voice Dialing | Yes | - | Yes | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | - | - | Yes | - | - |
| Custom Graphics | Yes | - | Yes | n/a | Yes |
| Custom Ringtones | Yes | - | Yes | n/a | Yes |
| Real-Music Ringers | Yes | - | - | n/a | Yes |
| Data & Network | |||||
| Data Tethering | Yes | - | Yes | n/a | - |
| WAP / Web Browser | Yes | - | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | - | Yes | n/a | Yes |
| Side Keys | Yes | - | - | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | - | - | Yes | Yes |
| Messaging | |||||
| EMS / Picture Messaging | Yes | - | Yes | n/a | - |
| MMS | Yes | - | - | n/a | Yes |
| Text Messaging Templates | Yes | Yes | Yes | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | Yes | Yes |
| Music Player | Yes | - | - | n/a | Yes |
| Stereo Speakers | Yes | - | - | - | - |
| Photo & Video | |||||
| TV Output | Yes | - | - | - | - |
| 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 | - | n/a | - |
| Voice Memo | Yes | Yes * | - | n/a | Yes |
| Software | |||||
| BREW | Yes | - | - | n/a | Yes |
| Games | Yes | - | Yes | n/a | Yes |
| Java (J2ME) | - | - | Yes | n/a | - |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | - | Yes | - | n/a | - |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SCH-A990 | Cal-Comp EZ | Siemens C56 | TCL A30 / A3 | Samsung Chrono 2 / Contour 2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | Cal-Comp EZ | Siemens C56 | TCL A30 / A3 | Samsung Chrono 2 / Contour 2 |
