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| Phone | Coolpad Quattro 4G | Nokia Lumia 810 | Ericsson T39 | Nokia Lumia 635 (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
4.3" diag. 5 : 3 |
? |
4.5" diag. 16 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
? LCD (Grayscale) |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | ? |
| Battery | 1,600 mAh | 1,800 mAh | ? | 1,830 mAh |
| Processor | ? | 1.5 GHz Qualcomm Snapdragon | ? | 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) |
| RAM | ? | 1 GB | ? | 512 MB |
| Storage | 512 MB | 8 GB | ? raw hardware | 8 GB |
| Main Camera | 3 megapixel | 8 megapixel | - | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | VGA (640 x 480) | 1080p HD | - | 720p HD |
| Front Camera | Yes | 1 megapixel | - | - |
| Weight |
3.31 oz (94g) |
5.11 oz (145g) |
3.03 oz (86g) |
4.73 oz (134g) |
| Dimensions |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
5" x 2.69" x 0.44" (127 x 68 x 11.2 mm) |
3.78" x 1.97" x 0.71" (96 x 50 x 18 mm) |
5.1" x 2.63" x 0.36" (130 x 67 x 9.1 mm) |
| Form Factor | Slab | Slab | Flip | Slab |
| Platform / OS | Android | Windows | (proprietary) | Windows |
| Network Bands |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 25, 26, 41 WCDMA: 1, 2, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 3) | HSPA+ 42 | GPRS | LTE (Cat 3) |
| Features | ||||
| GPS / Location | n/a | n/a | - | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | - | n/a |
| Hearing Aid Compatible | Yes | Yes | - | Yes |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes HSP, DUN, OPP, Sync |
Yes Classic Audio |
| Infrared (IR) | - | - | Yes | - |
| Mobile Hotspot | n/a | n/a | - | n/a |
| NFC | - | Yes | - | - |
| USB | Yes |
Yes Micro-USB |
- |
Yes Micro-USB |
| Wi-Fi | Yes |
Yes 4 (802.11 a,b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | n/a | n/a | - | n/a |
| Ringer ID | n/a | n/a | - | n/a |
| Voice Dialing | n/a | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | n/a |
| WAP / Web Browser | n/a | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | Yes | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | - | n/a |
| Instant Messaging | n/a | n/a | - | n/a |
| MMS | n/a | n/a | - | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes |
| Music Player | n/a | n/a | - | n/a |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| Power | ||||
| Wireless Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | Yes | n/a |
| To-Do List | n/a | n/a | - | n/a |
| Voice Memo | n/a | n/a | Yes | n/a |
| Software | ||||
| Games | n/a | n/a | Yes | n/a |
| Voice | ||||
| Speaker Phone | Yes | Yes | - | Yes |
| * Some versions only | ||||
| Coolpad Quattro 4G | Nokia Lumia 810 | Ericsson T39 | Nokia Lumia 635 (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Coolpad Quattro 4G | Nokia Lumia 810 | Ericsson T39 | Nokia Lumia 635 (CDMA) |
