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Phone Motorola Charm Apple iPhone 4 (GSM) Pantech Swift Nokia XR21
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.8" diag.
4 : 3
3.5" diag.
5 : 3
2.8" diag.
4 : 3
6.5" diag.
20 : 9
Display Resolution & Type 320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~406 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? 60 Hz
Battery 1,170 mAh ? 1,000 mAh 4,800 mAh
Processor 720 MHz TI OMAP3410 Apple A4 Qualcomm QSX6270 Snapdragon 695
RAM ? ? ? 6 GB
Storage ? raw hardware 32 GB * ? raw hardware 128 GB
Main Camera 3 megapixel 5 megapixel 2 megapixel 64 megapixel
Wide Camera - - - 8 megapixel
Tele Camera - - - -
Video Capture ? 720p HD QVGA (320 x 240) 1080p HD
Front Camera - Yes - 16 megapixel
Weight 3.88 oz
(110g)
4.8 oz
(136g)
6.26 oz
(177g)
8.16 oz
(231g)
Dimensions 3.87" x 2.65" x 0.45"
(98 x 67 x 11.4 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
4.29" x 2.22" x 0.58"
(109 x 56 x 14.7 mm)
6.61" x 3.09" x 0.41"
(168 x 78 x 10.4 mm)
Form Factor Slab Slab Slide Slab
Platform / OS Android iOS (proprietary) Android
Network Bands

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

5G: 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77-C, 78, 79, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 HSPA 7.2 HSDPA 3.6 NR (5G)
Features 
Barometer - - - Yes
Fingerprint Reader - - - Yes
stand-alone
Flashlight - - - Yes
GPS / Location n/a n/a Yes n/a
Ruggedized - - - Yes
Water-Resistant - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size n/a n/a - n/a
Hearing Aid Compatible - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages n/a n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes
Mobile Hotspot n/a n/a - n/a
NFC - - - Yes
USB Yes
Micro-USB
Yes Yes Yes
USB Type C
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID n/a n/a Yes n/a
Ringer ID n/a n/a Yes n/a
Voice Dialing n/a n/a - n/a
Customization
Custom Graphics n/a n/a Yes n/a
Custom Ringtones n/a n/a Yes n/a
Real-Music Ringers n/a n/a Yes n/a
Data & Network
Data Tethering n/a n/a Yes n/a
Dual-SIM - - - Yes
WAP / Web Browser n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - Yes -
Touch Screen Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes - Yes -
Messaging
Email Client n/a n/a Yes n/a
Instant Messaging n/a n/a Yes n/a
MMS n/a n/a Yes n/a
Text Messaging Templates n/a n/a Yes n/a
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) Yes Yes Yes Yes
Music Player n/a n/a Yes n/a
Photo & Video
TV Output - Yes - -
Power
Fast Charging - - - Yes
Productivity
Alarm n/a n/a Yes n/a
Calculator n/a n/a Yes n/a
Calendar n/a n/a Yes n/a
To-Do List n/a n/a Yes n/a
Voice Memo n/a n/a Yes n/a
Software
BREW n/a n/a Yes n/a
Games n/a n/a Yes n/a
Voice
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Motorola Charm Apple iPhone 4 (GSM) Pantech Swift Nokia XR21
  X > < X > < X > < X

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

 
Phone Motorola Charm Apple iPhone 4 (GSM) Pantech Swift Nokia XR21

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