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| Phone | Ericsson R278d | TCL A30 / A3 | Siemens CT66 / C66 / C65 / C71 / C70 | Samsung Freeform 4 / Comment 2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
5.5" diag. 18 : 9 |
? |
2.4" diag. 4 : 3 |
| Display Resolution & Type | 101 x 40 pixels |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
130 x 130 pixels LCD (Color) |
320 x 240 pixels (~167 ppi) LCD (Color) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 3,000 mAh | 600 mAh | 1,000 mAh |
| Processor | ? | 2 GHz MediaTek Helio P22 (MT6762V) | ? | ? |
| RAM | ? | 3 GB | ? | ? |
| Storage | ? raw hardware | 32 GB | ? raw hardware | ? raw hardware |
| Main Camera | - | 8 megapixel | Yes | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 1080p HD | - | QCIF (176 x 144) |
| Front Camera | - | 5 megapixel | - | - |
| Weight |
9.28 oz (263g) |
6.03 oz (171g) |
3 oz (85g) |
3.35 oz (95g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
5.74" x 2.8" x 0.39" (146 x 71 x 9.9 mm) |
4.1" x 1.8" x 0.7" (104 x 46 x 17.8 mm) |
4.38" x 2.38" x 0.42" (111 x 60 x 10.7 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | - | LTE (Cat 4) | GPRS | 1xRTT |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | - | n/a | - | Yes |
| Water-Resistant | - |
Yes IPX2 (drip) |
- | - |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | - | Yes |
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | - | Yes |
| Infrared (IR) | - | - | Yes | - |
| USB | - |
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 |
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - |
| Custom Graphics | - | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | - | Yes |
| Data & Network | ||||
| Data Tethering | Yes | n/a | - | - |
| 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 | ||||
| EMS / Picture Messaging | - | n/a | Yes | - |
| MMS | - | n/a | Yes | Yes |
| Text Messaging Templates | - | n/a | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | - | n/a | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | - | n/a | Yes | Yes |
| Calendar | - | n/a | Yes | Yes |
| To-Do List | - | n/a | Yes | - |
| Voice Memo | - | n/a | Yes | Yes |
| Software | ||||
| BREW | - | n/a | - | Yes |
| Games | - | n/a | Yes | Yes |
| Java (J2ME) | - | n/a | Yes | - |
| Voice | ||||
| Call Screening | - | - | Yes | - |
| HD Voice | - | Yes | - | - |
| Push-To-Talk | - | - | Yes * | - |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Ericsson R278d | TCL A30 / A3 | Siemens CT66 / C66 / C65 / C71 / C70 | Samsung Freeform 4 / Comment 2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | TCL A30 / A3 | Siemens CT66 / C66 / C65 / C71 / C70 | Samsung Freeform 4 / Comment 2 |
