Do not Disturb, turn off your phone tip. Jul 31, 2016 Wolfy Comments Off on Do not Disturb, turn off your phone tip. If you want to turn off your phone to avoid calls, remove the battery instead. Switching off phone will notify mobile switching centre (MSC) and callers will receive the switched off notification. Post navigation Previous PostDifferent color for your earphone tips, spot left and right easily.Next PostSet “@@” as the keyboard shortcut for your email address. Now you don’t have to type your email again and again.