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  Spell checker: Use Google Spell Checker to check for spelling errors when entering text. 
  Personal dictionary: Add new words to the phone‟s dictionary or remove words from the dictionary. 
The words you add are used for spelling check and word suggestion. 
  Virtual keyboard: Choose your preferred virtual keyboard. 
  Physical keyboard: 
  Show virtual keyboard: Keep the virtual keyboard on screen while a physical keyboard 
accessory is active. 
  Keyboard shortcuts helper: Display available shortcuts. 
  Text-to-speech output:   
  Preferred engine: Select the speech synthesis engine you want to use or change its settings. 
  Speech rate: Select how quickly you want the synthesizer to speak. 
  Pitch: Drag the slider to adjust the pitch. 
  Reset speech rate: Reset the speed at which the text is spoken to normal 
  Reset speech pitch: Reset the speed at which the text is spoken to default. 
  Listen to an example: Play a brief sample of the speech synthesizer, using your current 
settings. 
  Default language status: Check whether the text-to-speech output feature supports the current 
system language. 
  Pointer speed: Select how fast the pointer/mouse should scroll when you connect the phone to a 
trackpad or mouse accessory. 
Navigation Key 
Touch the Home key >    > Settings > Navigation key to exchange the positions of the Back key 
and the Recent apps key.   
Backup and Reset 
Touch the Home key >    > Settings > Backup & reset to manage data backup and restoration 
options, and to reset the phone to factory status. 
  Back up my data: Back up app data, Wi-Fi passwords, and other settings to Google servers after 
you sign in to your Google account. 
  Backup account: Set the Google account that the data is backed up to.