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Phone Apple iPhone 4 (GSM) Palm Treo 600 (GSM) Sonim XP3 Samsung Jack i637 Cricket Debut S2 / AT&T Calypso 4
Current U.S. Carriers (none) (none) (none) (none) AT&T
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
? 2.6" diag.
4 : 3
2.4" diag.
4 : 3
6.1" diag.
19.5 : 9
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~167 ppi)
LCD (TFT/TFD)
720 x 1560 pixels
(~282 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? 60 Hz
Battery ? ? 1,500 mAh 1,480 mAh 3,000 mAh
Processor Apple A4 ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? 2 GHz MediaTek Helio A22 (MT6761WB)
RAM ? ? 1 GB ? 3 GB
Storage 32 GB * ? raw hardware 8 GB ? raw hardware 64 GB
Main Camera 5 megapixel Yes 5 megapixel 3 megapixel 8 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD - ? ? ?
Front Camera Yes - - - 5 megapixel
Weight 4.8 oz
(136g)
5.92 oz
(168g)
6.88 oz
(195g)
3.6 oz
(102g)
5.64 oz
(160g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
4.4" x 2.3" x 1.1"
(112 x 58 x 27.9 mm)
4.4" x 2.4" x 0.5"
(112 x 61 x 12.7 mm)
6.11" x 2.87" x 0.34"
(155 x 73 x 8.6 mm)
Form Factor Slab Slab Clamshell Slab Slab
Platform / OS iOS Palm OS (proprietary) Windows Mobile Standard Android
Network Bands

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 8, 12, 13, 14, 25, 26, 38, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66

WCDMA: 1, 2, 4, 5, 8

Data Technology HSPA 7.2 GPRS LTE (Cat 4) HSDPA 3.6 LTE (Cat 4)
Features 
Barometer - - Yes - -
Flashlight - - Yes - Yes
GPS / Location n/a n/a Yes n/a n/a
Ruggedized - - Yes - -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size n/a n/a Yes n/a n/a
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M3, T4 (very tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages n/a n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Extra Display - - Yes - -
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth Yes - Yes Yes Yes
Infrared (IR) - Yes - - -
Mobile Hotspot n/a n/a Yes n/a n/a
USB Yes Yes Yes
USB Type C
Yes Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
4 (802.11 a,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
Ringer ID n/a n/a Yes n/a n/a
Voice Dialing n/a n/a Yes 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 - n/a n/a
Data & Network
Data Tethering n/a n/a Yes 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
Capacitive
Yes - - Yes
Capacitive
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client n/a n/a - n/a n/a
Instant Messaging n/a n/a - 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
Music Player n/a n/a Yes n/a n/a
Photo & Video
TV Output 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 - n/a n/a
Voice Memo n/a n/a Yes n/a n/a
Software
Games n/a n/a - n/a n/a
Java (J2ME) n/a n/a - n/a n/a
Voice
HD Voice - - Yes - Yes
Headset Jack (2.5 mm) n/a n/a - n/a n/a
Push-To-Talk - - Yes - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Apple iPhone 4 (GSM) Palm Treo 600 (GSM) Sonim XP3 Samsung Jack i637 Cricket Debut S2 / AT&T Calypso 4
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Apple iPhone 4 (GSM) Palm Treo 600 (GSM) Sonim XP3 Samsung Jack i637 Cricket Debut S2 / AT&T Calypso 4

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