Microsoft Lumia 640 XL - Back, start, and search keys

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Back, start, and search keys

The back, start, and search keys help you navigate your phone.

• To see which apps you have open, tap and hold the back key . You can then switch to

another app or close the ones you don’t need.

• To go back to the previous screen you were in, tap the back key . Your phone remembers

all the apps and websites you've visited since the last time your screen was locked.

• To go to the start screen, tap the start key . The app you were in stays open in the


• To search the web or for items on your phone, tap the search key .
• If your phone has Cortana, to open Cortana, tap the search key .

Cortana is not available in all regions and languages. For info on the supported languages,

go to

• To switch the vibration of these keys on or off, on the start screen, swipe down from the

top of the screen, tap ALL SETTINGS > touch, and change the setting for navigation

bar. Changing the vibration setting for incoming calls doesn’t affect the vibration of the