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					Originally Posted by marie00  Hello all,
 Yesterday i had a prompt to update to the newest firmware, so I downloaded it via WiFi and then started the update.
 
 Now the touchscreen has a strange behavior. It's working randomly if i touch my screen with two fingers.
 
 Physical button are working well.
 
 What i tried :
 
 - Install all available update.
 - Factory reset
 - push twice on the menu button to disable and enable the touchscreen
 
 Still same.
 
 Any ideas ?
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 Somewhere in the settings should be a "calibrate touchscreen" menu item.
I would try this.