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| Phone | Palm Treo Pro (GSM) | HTC One M9 (GSM) | Palm Pre Plus (GSM) | Coolpad Quattro 4G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
5" diag. 16 : 9 |
3.1" diag. 5 : 3 |
4" diag. 5 : 3 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~186 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | 1,500 mAh | 2,840 mAh | 1,150 mAh | 1,600 mAh |
| Processor | 400 MHz MSM7201 | 2 GHz Qualcomm Snapdragon 810 (MSM8994) | ? | ? |
| RAM | ? | 3 GB | ? | ? |
| Storage | ? raw hardware | 32 GB | ? raw hardware | 512 MB |
| Main Camera | 2 megapixel | 20 megapixel | 3 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | 4K UHD | VGA (640 x 480) | VGA (640 x 480) |
| Front Camera | - | 4 megapixel | - | Yes |
| Weight |
4.69 oz (133g) |
5.54 oz (157g) |
4.89 oz (139g) |
3.31 oz (94g) |
| Dimensions |
4.49" x 2.36" x 0.53" (114 x 60 x 13.5 mm) |
5.69" x 2.74" x 0.38" (145 x 70 x 9.6 mm) |
3.9" x 2.3" x 0.67" (99 x 58 x 17 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
| Platform / OS | Windows Mobile Professional | Android | webOS | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
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| Data Technology | HSDPA 3.6 | LTE (Cat 9) | HSDPA 1.8 | LTE (Cat 3) |
| Features | ||||
| Flashlight | - | Yes | - | - |
| Water-Resistant | - |
Yes IPX3 (falling spray) |
- | - |
| Accessibility | ||||
| Hearing Aid Compatible | - | Yes | - | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| NFC | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 802.11 b,g |
Yes |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | Yes | - | - | - |
| Text Keyboard, Hardware | Yes | - | Yes | - |
| Touch Screen | Yes | Yes | Yes | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| Miracast | - | Yes | - | - |
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Palm Treo Pro (GSM) | HTC One M9 (GSM) | Palm Pre Plus (GSM) | Coolpad Quattro 4G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo Pro (GSM) | HTC One M9 (GSM) | Palm Pre Plus (GSM) | Coolpad Quattro 4G |
