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Table 2 Smartphone Operating-System Platforms, Features Support with Hardware

From: A Systematic Review of Healthcare Applications for Smartphones

OS Platform →

SymbianOS[158]

Palm Web OS[159, 160]

WindowsPhone[161]

BlackBerry[162, 163]

iOS[164166]

Android[140, 167]

Touch screen

*

Multi-touch UserInterface

Virtual Keyboard

External Keyboard

Camera

Video Recording

Video Calling

×

×

×

×

*

*

USB Interface

Voice Command

×

Tethering

×

Multicore ProcessorSupport

×

*

×

×

*

*

Accelerometer

*

Gyroscope

×

×

×

Switch ScreenOrientation

*

GPS

Bluetooth

Built-in BluetoothHealth Device Profile

×

×

×

×

×

WiFi

3G/4G

3 G

4 G

3 G

3 G

4 G

4 G

  1. This table compares the support of features by six smartphone OS platforms with the availability of hardware in the device.
  2. This feature is supported by the OS platform.
  3. × This feature is not supported by the OS platform.
  4. * This feature is supported in a limited number of devices.