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Bonjour
Comment verouiller l'écran de mon téléphone lorsque je suis en appel ?
Merci de votre aide
Hello
How to lock my phone screen while on call?
Thank you for your help
gt
Hi @Venusange, welcome to our forum!
Your question has been translated to English as this is an International forum.
When you have the phone up at your ear during a call, the display will turn itself off due to the proximity sensor that is placed at the top of the display is covered by your ear. This will prevent you from activating functions on the display during the call.
Does that occur, or does the display not turn itself off? You can test this outside of a call if you go to Settings > Support > Xperia tests > Ear proximity.
Let me know how it went! 