iam from Indonesia, same problem also happened on my phone today. at first the phone just working fine until it suddenly becoming black screen when i edit my photo using instagram. i thought i was running out battery so i just plug in my charger. i noticed something gone wrong when i didnt see any charging logo. Screen is blank but i can receive phone and hear music. i tried to force restart it using volume down&power button for 10 second, but nothing happened. it was my second time experience screen error on Samsung flagship phone since my note 9 had burn up issue on its OLED. Thay charged me USD100 for guarateed note 9 to change the screen. So i probably wont buy any samsung flagship phone again if the after sales service is not satisfying.
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