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| Phone | Samsung Galaxy Ring / Prevail 2 | Nokia E75 | Coolpad REVVL Plus | AT&T Vista |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
2.4" diag. 4 : 3 |
6" diag. 16 : 9 |
5.5" diag. 18 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 1,750 mAh | 1,000 mAh | 3,380 mAh | 2,450 mAh |
| Processor | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 | 369 MHz ARM 11 | 2 GHz Qualcomm Snapdragon 625 (MSM8953) | 2 GHz MediaTek Helio A22 (MT6761V) |
| RAM | 1 GB | ? | 2 GB | 3 GB |
| Storage | 4 GB | ? raw hardware | 32 GB | 32 GB |
| Main Camera | 5 megapixel | 3 megapixel | 13 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | VGA (640 x 480) | 1080p HD | 1080p HD |
| Front Camera | 1 megapixel | - | 8 megapixel | 5 megapixel |
| Weight |
3.4 oz (96g) |
4.9 oz (139g) |
6.91 oz (196g) |
5.51 oz (156g) |
| Dimensions |
4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm) |
4.4" x 1.97" x 0.57" (112 x 50 x 14.4 mm) |
6.49" x 3.24" x 0.34" (165 x 82 x 8.6 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
| Platform / OS | Android | S60 (Symbian) | Android | Android |
| Network Bands |
CDMA: 800, 850, 1900 |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
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| Data Technology | EVDO rA | HSDPA 3.6 | LTE (Cat 6) | LTE (Cat 4) |
| Features | ||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | - | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| USB | Yes |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
Yes |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | Yes | - | Yes | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | Yes | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| Voice | ||||
| HD Voice | - | - | Yes | Yes |
| Push-To-Talk | - | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung Galaxy Ring / Prevail 2 | Nokia E75 | Coolpad REVVL Plus | AT&T Vista | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy Ring / Prevail 2 | Nokia E75 | Coolpad REVVL Plus | AT&T Vista |
