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| Phone | Ericsson T66 | T-Mobile REVVL 4 | HTC HD7 / HD7S |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
6.2" diag. 19 : 9 |
4.3" diag. 5 : 3 |
| Display Resolution & Type | ? |
720 x 1520 pixels (~270 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | ? | 3,500 mAh | 1,230 mAh |
| Processor | ? | 2 GHz MediaTek Helio A22 (MT6761) | 1 GHz Qualcomm Snapdragon S1 QSD8250 |
| RAM | ? | 2 GB | ? |
| Storage | ? raw hardware | 32 GB | 16 GB |
| Main Camera | - | 13 megapixel | 5 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | 1080p HD | 720p HD |
| Front Camera | - | 5 megapixel | - |
| Weight |
2.08 oz (59g) |
5.59 oz (158g) |
5.71 oz (162g) |
| Dimensions |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
6.26" x 2.99" x 0.32" (159 x 76 x 8.1 mm) |
4.8" x 2.7" x 0.44" (122 x 69 x 11.2 mm) |
| Form Factor | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Windows |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | - | LTE (Cat 6) | HSPA 7.2 |
| Features | |||
| Fingerprint Reader | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | - |
| GPS / Location | - | n/a | n/a |
| Accessibility | |||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | - | Yes | Yes |
| USB | - |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | |||
| Picture ID | - | n/a | n/a |
| Ringer ID | - | n/a | n/a |
| Voice Dialing | - | n/a | n/a |
| Customization | |||
| Custom Graphics | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a |
| Data & Network | |||
| WAP / Web Browser | Yes | n/a | n/a |
| Input | |||
| Predictive Text Entry | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | Yes | - |
| Messaging | |||
| Email Client | - | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a |
| MMS | - | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a |
| Music | |||
| FM Radio | - | Yes | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Music Player | - | n/a | n/a |
| Stereo Speakers | - | - | Yes |
| Productivity | |||
| Alarm | Yes | n/a | n/a |
| Calculator | Yes | n/a | n/a |
| Calendar | Yes | n/a | n/a |
| To-Do List | Yes | n/a | n/a |
| Software | |||
| Games | Yes | n/a | n/a |
| Voice | |||
| HD Voice | - | Yes | - |
| Speaker Phone | - | Yes | Yes |
| Ericsson T66 | T-Mobile REVVL 4 | HTC HD7 / HD7S | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson T66 | T-Mobile REVVL 4 | HTC HD7 / HD7S |
