Settings110r Device administrators: View device administrators installed on the device. You can allowdevice administrators to apply new policies to the device.r Unknown sources: Choose to install applications from any source. If not chosen,download applications only from Play Store.r Trusted credentials: Use certificates and credentials to ensure secure use of variousapplications.r Install from device storage: Install encrypted certificates stored on the USB storage.r Clear credentials: Erase the credential contents from the device and reset the password.Language and inputChange the settings for text input. Some options may not be available depending on theselected language.LanguageSelect a display language for all menus and applications.DefaultSelect a default keyboard type for text input.Google voice typingTo change the voice input settings, tap .r Choose input languages: Select input languages for text input.r Block offensive words: Set to prevent the device from recognising offensive words invoice inputs.r Download offline speech recognition: Download and install language data for offlinevoice input.