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Phone AT&T Maestro 3 Huawei P9 Palm Treo 650 (CDMA) CAT S61
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Not yet released Released Released
Specifications 
Display Size 6.5" diag.
20 : 9
5.2" diag.
16 : 9
? 5.2" diag.
16 : 9
Display Resolution & Type 720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
1920 x 1080 pixels
(~424 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? 60 Hz
Battery 3,900 mAh 3,000 mAh ? 4,500 mAh
Processor 2 GHz MediaTek Helio A22 (MT6761) 2.5 GHz Huawei Kirin 955 312 MHz Intel XScale PXA270 2.2 GHz Qualcomm Snapdragon 630
RAM 3 GB 3 GB * ? 4 GB
Storage 32 GB 32 GB * ? raw hardware 64 GB
Main Camera 13 megapixel 12 megapixel Yes 16 megapixel
Wide Camera 5 megapixel - - -
Tele Camera - - - -
Video Capture 1080p HD 1080p HD QVGA (320 x 240) 4K UHD
Front Camera 5 megapixel 8 megapixel - 8 megapixel
Weight 6.24 oz
(177g)
5.05 oz
(143g)
6.3 oz
(179g)
9.03 oz
(256g)
Dimensions 6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
5.71" x 2.79" x 0.28"
(145 x 71 x 7.1 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
5.91" x 2.99" x 0.51"
(150 x 76 x 13 mm)
Platform / OS Android Android Palm OS Android
Network Bands

4G LTE: 2, 4, 5, 12, 14, 30

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 25, 26, 28, 29, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) LTE (Cat 6) 1xRTT LTE (Cat 13)
Features 
Barometer Yes - - Yes
Fingerprint Reader Yes
stand-alone
Yes - -
Flashlight Yes Yes - Yes
Ruggedized - - - Yes
Water-Resistant - - - Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- - Yes
M3, T3 (mostly tele-coil compatible)
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) - - Yes -
NFC - Yes * - Yes
USB Yes
USB Type C
Yes
USB Type C
- Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Data & Network
Dual-SIM - Yes * - Yes *
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen Yes
Capacitive
Yes
Capacitive
Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) Yes Yes - Yes
Photo & Video
DLNA - Yes - -
Miracast - Yes - -
Power
Fast Charging - Yes - Yes
Voice
HD Voice Yes Yes - -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  AT&T Maestro 3 Huawei P9 Palm Treo 650 (CDMA) CAT S61
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone AT&T Maestro 3 Huawei P9 Palm Treo 650 (CDMA) CAT S61

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