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Phone ZTE Flash Apple iPhone 3G Pantech Ocean 2 Asus ROG Phone II Palm Treo 650 (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 4.5" diag.
16 : 9
3.5" diag.
5 : 3
2.6" diag.
4 : 3
6.6" diag.
19.5 : 9
?
Display Resolution & Type 720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~391 ppi)
AMOLED
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? 120 Hz ?
Battery 1,780 mAh ? 1,320 mAh 6,000 mAh ?
Processor 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 ? ? 3 GHz Qualcomm Snapdragon 855 Plus 312 MHz Intel XScale PXA270
RAM 1 GB ? ? 12 GB ?
Storage 8 GB 16 GB * ? raw hardware 512 GB ? raw hardware
Main Camera 12 megapixel 2 megapixel 2 megapixel 48 megapixel Yes
Wide Camera - - - 13 megapixel -
Tele Camera - - - - -
Video Capture 1080p HD - QVGA (320 x 240) 4K UHD QVGA (320 x 240)
Front Camera 1 megapixel - - 24 megapixel -
Weight 5.2 oz
(147g)
4.7 oz
(133g)
5.96 oz
(169g)
8.47 oz
(240g)
6.3 oz
(179g)
Dimensions 5.27" x 2.56" x 0.38"
(134 x 65 x 9.7 mm)
4.52" x 2.44" x 0.49"
(115 x 62 x 12.4 mm)
4.63" x 2.28" x 0.83"
(118 x 58 x 21.1 mm)
6.73" x 3.06" x 0.37"
(171 x 78 x 9.5 mm)
4.4" x 2.3" x 0.9"
(112 x 58 x 22.9 mm)
Form Factor Slab Slab Slide Slab Slab
Platform / OS Android iOS (proprietary) Android Palm OS
Network Bands

4G LTE: 25

CDMA: 800, 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology LTE (Cat 3) HSDPA 3.6 EVDO r0 LTE (Cat 20) 1xRTT
Features 
Fingerprint Reader - - - Yes
in-display (optical)
-
Flashlight - - - Yes -
GPS / Location n/a n/a Yes n/a n/a
Accessibility
Adjustable Text Size n/a n/a - n/a n/a
Hearing Aid Compatible Yes - Yes Yes -
Multiple Languages n/a n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - - Yes
Mobile Hotspot n/a n/a - n/a n/a
NFC Yes - - Yes -
USB Yes
Micro-USB
Yes Yes Yes
USB Type C
-
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
- Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID n/a n/a Yes n/a n/a
Ringer ID n/a n/a Yes n/a n/a
Voice Dialing n/a n/a - n/a n/a
Customization
Custom Graphics n/a n/a Yes n/a n/a
Custom Ringtones n/a n/a Yes n/a n/a
Real-Music Ringers n/a n/a Yes n/a n/a
Data & Network
Data Tethering n/a n/a - n/a n/a
Dual-SIM - - - Yes -
WAP / Web Browser n/a n/a Yes n/a n/a
Input
Predictive Text Entry n/a n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - Yes
Touch Screen Yes Yes - Yes Yes
Memory
Memory Card Slot Yes - Yes - Yes
Messaging
Email Client n/a n/a Yes n/a n/a
Instant Messaging n/a n/a Yes n/a n/a
MMS n/a n/a Yes n/a n/a
Text Messaging Templates n/a n/a Yes n/a n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) Yes Yes Yes Yes -
Music Player n/a n/a Yes n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
TV Output - Yes - Yes -
Power
Fast Charging - - - Yes -
Productivity
Alarm n/a n/a Yes n/a n/a
Calculator n/a n/a Yes n/a n/a
Calendar n/a n/a Yes n/a n/a
To-Do List n/a n/a Yes n/a n/a
Voice Memo n/a n/a Yes n/a n/a
Software
Games n/a n/a Yes n/a n/a
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) n/a n/a - n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  ZTE Flash Apple iPhone 3G Pantech Ocean 2 Asus ROG Phone II Palm Treo 650 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Flash Apple iPhone 3G Pantech Ocean 2 Asus ROG Phone II Palm Treo 650 (CDMA)

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