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Phone Apple iPhone 4 (GSM) BLU Pure View Palm Treo Pro (GSM) Motorola Moto z4 Motorola V540
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
5.7" diag.
18 : 9
? 6.4" diag.
19.5 : 9
?
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
1080 x 2340 pixels
(~403 ppi)
AMOLED
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? 60 Hz ?
Battery ? 3,000 mAh 1,500 mAh 3,600 mAh ?
Processor Apple A4 1.3 GHz MediaTek 6753 400 MHz MSM7201 2 GHz Qualcomm Snapdragon 675 ?
RAM ? 3 GB ? 4 GB ?
Storage 32 GB * 32 GB ? raw hardware 128 GB ? raw hardware
Main Camera 5 megapixel 13 megapixel 2 megapixel 48 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD 1080p HD ? 4K UHD -
Front Camera Yes 8 megapixel - 25 megapixel -
Weight 4.8 oz
(136g)
6.47 oz
(183g)
4.69 oz
(133g)
6 oz
(170g)
4.02 oz
(114g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
6" x 2.82" x 0.32"
(152 x 72 x 8.1 mm)
4.49" x 2.36" x 0.53"
(114 x 60 x 13.5 mm)
6.22" x 2.96" x 0.29"
(158 x 75 x 7.4 mm)
3.5" x 1.93" x 0.97"
(89 x 49 x 24.6 mm)
Form Factor Slab Slab Slab Slab Clamshell
Platform / OS iOS Android Windows Mobile Professional Android (proprietary)
Network Bands

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 7, 12, 17, 28

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 28, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

GSM: 850, 900, 1800, 1900

Data Technology HSPA 7.2 LTE (Cat 4) HSDPA 3.6 LTE (Cat 12) EDGE
Features 
Fingerprint Reader - Yes
stand-alone
- Yes -
Flashlight - Yes - Yes -
GPS / Location n/a n/a n/a n/a -
Water-Resistant - - - Yes -
Accessibility
Adjustable Text Size n/a n/a n/a n/a -
Hearing Aid Compatible Yes - - Yes -
Multiple Languages n/a n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot n/a n/a n/a n/a -
NFC - - - Yes -
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes
Wi-Fi Yes
4 (802.11 b,g,n)
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 n/a n/a Yes
Ringer ID n/a n/a n/a n/a Yes
Voice Dialing n/a n/a n/a n/a Yes
Customization
Custom Graphics n/a n/a n/a n/a Yes
Custom Ringtones n/a n/a n/a n/a Yes
Real-Music Ringers n/a n/a n/a n/a Yes
Data & Network
Data Tethering n/a n/a n/a n/a Yes
Dual-SIM - Yes - - -
WAP / Web Browser n/a n/a n/a n/a Yes
Input
Predictive Text Entry n/a n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Stylus - - Yes - -
Text Keyboard, Hardware - - Yes - -
Touch Screen Yes Yes Yes Yes -
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client n/a n/a n/a n/a Yes
EMS / Picture Messaging n/a n/a n/a n/a Yes
Instant Messaging n/a n/a n/a n/a Yes
MMS n/a n/a n/a n/a Yes
Text Messaging Templates n/a n/a n/a n/a Yes
Music
FM Radio - Yes - Yes -
Headphone Jack (3.5mm) Yes Yes Yes Yes -
Music Player n/a n/a n/a n/a -
Photo & Video
TV Output Yes - - - -
Power
Fast Charging - Yes - Yes -
Productivity
Alarm n/a n/a n/a n/a Yes
Calculator n/a n/a n/a n/a Yes
Calendar n/a n/a n/a n/a Yes
To-Do List n/a n/a n/a n/a -
Voice Memo n/a n/a n/a n/a Yes
Software
Games n/a n/a n/a n/a Yes
Java (J2ME) n/a n/a n/a n/a Yes
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) n/a n/a n/a n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Apple iPhone 4 (GSM) BLU Pure View Palm Treo Pro (GSM) Motorola Moto z4 Motorola V540
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Apple iPhone 4 (GSM) BLU Pure View Palm Treo Pro (GSM) Motorola Moto z4 Motorola V540

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