not software glitches display gone ....samsung provides non A/B partition type ota software not like other company hence if someone simply update software via mobile data or wifi then there will be the maximum chances to produce software loop holes over software which creates thousands of issues in devices and anything mysterious can be happened then .. even display and motherboard can destroy forever as many users faced before......it's not process.......allaways try to install software especially in samsung devices via smart switch and pc or from odin or through authorised samsung service center as they use odin only for their official purpose...... before ui 2.0 there were total 23 vulnerability in note 9,s9 and after 2.1 still now there are 13 vulnerability + 2 critical issue in samsung own software now if someone already installed software Via mobile data or wifi then possible software loop holes over vulnerability destroyed display already
Please perform the below mentioned steps to resolve the issue:
* Check device in safe mode: Press and hold the Power key, when Power off icon appears > Press and hold the power off icon. To exit safe mode: Restart your device.
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).
