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Phone Apple iPhone 4 (CDMA) BLU G90 Pro ZTE Blade Vantage Sanyo Katana DLX BlackBerry Key2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
6.5" diag.
19.5 : 9
5" diag.
16 : 9
2" diag.
4 : 3
4.5" diag.
5 : 3
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~396 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz 60 Hz ? 60 Hz
Battery ? 5,000 mAh 2,500 mAh 920 mAh 3,500 mAh
Processor ? 2 GHz MediaTek Helio G90T 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? 2.2 GHz Qualcomm Snapdragon 660
RAM ? 4 GB 2 GB ? 6 GB
Storage 8 GB * 128 GB 16 GB ? raw hardware 64 GB *
Main Camera 5 megapixel 48 megapixel 8 megapixel 1 megapixel 12 megapixel
Wide Camera - 8 megapixel - - -
Tele Camera - - - - 12 megapixel
Video Capture 720p HD 4K UHD 720p HD QCIF (176 x 144) 4K UHD
Front Camera Yes 32 megapixel 2 megapixel - 8 megapixel
Weight 4.8 oz
(136g)
7.58 oz
(215g)
5.29 oz
(150g)
3.5 oz
(99g)
5.93 oz
(168g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
6.38" x 3.03" x 0.4"
(162 x 77 x 10.2 mm)
5.73" x 2.85" x 0.36"
(146 x 72 x 9.2 mm)
3.7" x 1.9" x 0.68"
(94 x 48 x 17.3 mm)
5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
Form Factor Slab Slab Slab Clamshell Slab
Platform / OS iOS Android Android (proprietary) Android
Network Bands

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 28

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 13

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA LTE (Cat 6) LTE (Cat 4) EVDO r0 LTE (Cat 11)
Features 
Fingerprint Reader - Yes
stand-alone
- - Yes
stand-alone
Flashlight - Yes Yes - Yes
GPS / Location n/a n/a n/a Yes n/a
Accessibility
Adjustable Text Size n/a n/a n/a Yes n/a
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages n/a n/a n/a Yes n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot n/a n/a n/a - n/a
NFC - - - - Yes
USB Yes Yes
USB Type C
Yes
Micro-USB
Yes Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 a,b,g,n)
Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a n/a n/a Yes n/a
Ringer ID n/a n/a n/a Yes n/a
Voice Dialing n/a n/a n/a Yes n/a
Customization
Custom Graphics n/a n/a n/a Yes n/a
Custom Ringtones n/a n/a n/a Yes n/a
Real-Music Ringers n/a n/a n/a Yes n/a
Data & Network
Data Tethering n/a n/a n/a Yes n/a
Dual-SIM - Yes - - -
External Antenna Jack n/a n/a n/a Yes n/a
WAP / Web Browser n/a n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - - Yes
Touch Screen Yes Yes Yes - Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client n/a n/a n/a - n/a
MMS n/a n/a n/a - n/a
Text Messaging Templates n/a n/a n/a Yes n/a
Music
FM Radio - Yes - - Yes
Headphone Jack (3.5mm) Yes Yes Yes - Yes
Music Player n/a n/a n/a Yes n/a
Photo & Video
TV Output Yes - - - Yes
Video Calling n/a n/a n/a - n/a
Power
Fast Charging - Yes - - Yes
Wireless Charging - Yes - - -
Productivity
Alarm n/a n/a n/a Yes n/a
Calculator n/a n/a n/a Yes n/a
Calendar n/a n/a n/a Yes n/a
To-Do List n/a n/a n/a Yes n/a
Voice Memo n/a n/a n/a Yes n/a
Software
Games n/a n/a n/a Yes n/a
Java (J2ME) n/a n/a n/a Yes n/a
Voice
Call Screening - - - Yes -
HD Voice - - Yes - Yes
Headset Jack (2.5 mm) n/a n/a n/a Yes n/a
Speaker Phone Yes Yes Yes Yes Yes
  Apple iPhone 4 (CDMA) BLU G90 Pro ZTE Blade Vantage Sanyo Katana DLX BlackBerry Key2
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Apple iPhone 4 (CDMA) BLU G90 Pro ZTE Blade Vantage Sanyo Katana DLX BlackBerry Key2

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