Android IP Video Phone D900 User Manual126Owner Information Under the condition of the lock screen display information ofthe machine owner.Encrypted cell phones Need to input Numbers every time you boot PIN or passwordto decrypt the mobile phone.display passwordAfter open the password input box type in the passwordpassword there will be a period of time, according to notaccess password displayed directly after the dot.device manager Display devices in a computer.unknown sources Allowed to install third party applications.Verify the application Application of banning installation may cause damage, orwarned before installationA trusted credentials Display the trusted CA certificateInstall from SD card From the SD card installed certificateRemoval of credentials Delete all certificatesLanguage and input methodConfiguration items meaninglanguage Set the unit display language.Spell check tool Again after the commissioning of the text box input letters spellthe answer will give some advice.Personal dictionary Users can customize the words, phrases, when the input isconvenient and quick.Keyboard and input method Set the system default input method.Text to speech output The input text into speech output.Pointer to the speed When using the mouse/trackpad control system, set thepointer speed of sliding.Backup and resetconfiguration item meaningRestore factory Settings Erase all data on mobile phone.