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Phone HTC Amaze 4G Kyocera 2135 Ericsson T28 World Ericsson R520 Kyocera 7135
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.3" diag.
16 : 9
? ? ? ?
Display Resolution & Type 540 x 960 pixels
(~256 ppi)
LCD (TFT/TFD)
? ? ? 160 x 160 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? ?
Battery 1,730 mAh 925 mAh 500 mAh ? ?
Processor 1.5 GHz Qualcomm Snapdragon S3 dual-core ? ? ? 33 MHz DragonBall
RAM 1 GB ? ? ? ?
Storage 16 GB ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 8 megapixel - - - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD - - - -
Front Camera 2 megapixel - - - -
Weight 6.1 oz
(173g)
4.7 oz
(133g)
3.14 oz
(89g)
4.23 oz
(120g)
6.6 oz
(187g)
Dimensions 5.12" x 2.58" x 0.46"
(130 x 66 x 11.7 mm)
5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.97" x 2.43" x 1.17"
(101 x 62 x 29.7 mm)
Form Factor Slab Slab Flip Slab Clamshell
Platform / OS Android (proprietary) (proprietary) (proprietary) Palm OS
Network Bands

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology HSPA+ 42 - - GPRS 1xRTT
Features 
Flashlight Yes - - - -
GPS / Location n/a - - - n/a
Accessibility
Hearing Aid Compatible Yes - - - -
Multiple Languages n/a Yes - Yes n/a
TTY/TDD (Digital) Yes - - - -
Alerts
Extra Display - - - - Yes
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
- - Yes
HSP, Sync, OPP, DUN
-
Infrared (IR) - - - Yes Yes
Mobile Hotspot n/a - - - n/a
NFC Yes - - - -
USB Yes - - - Yes
Wi-Fi Yes
4 (802.11 a,b,g,n)
- - - -
Contacts
Picture ID n/a - - - n/a
Ringer ID n/a - - - n/a
Voice Dialing n/a - Yes Yes n/a
Customization
Changeable Body Plates - Yes - - -
Custom Graphics n/a - - - n/a
Custom Ringtones n/a Yes Yes Yes n/a
Real-Music Ringers n/a - - - n/a
Data & Network
Data Tethering n/a Yes Yes Yes n/a
WAP / Web Browser n/a Yes - Yes n/a
Input
Predictive Text Entry n/a Yes - Yes n/a
Side Keys Yes - Yes Yes Yes
Touch Screen Yes - - - Yes
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client n/a - - - n/a
Instant Messaging n/a - - - n/a
MMS n/a - - - n/a
Text Messaging Templates n/a Yes - Yes n/a
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes - - - -
Music Player n/a - - - n/a
Photo & Video
DLNA Yes - - - -
TV Output Yes - - - -
Productivity
Alarm n/a Yes Yes Yes n/a
Calculator n/a Yes Yes Yes n/a
Calendar n/a - - Yes n/a
To-Do List n/a - - - n/a
Voice Memo n/a - - Yes n/a
Software
Games n/a Yes Yes Yes n/a
Voice
Headset Jack (2.5 mm) n/a Yes - - n/a
Speaker Phone Yes - - Yes Yes
  HTC Amaze 4G Kyocera 2135 Ericsson T28 World Ericsson R520 Kyocera 7135
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Phone HTC Amaze 4G Kyocera 2135 Ericsson T28 World Ericsson R520 Kyocera 7135

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