Same with me while charging suddenly always on display got fade and then i plug it off my charger it still the same always on display got fade all time. On note 20 samsung.
We also request you kindly share the log file. Also, share video clips and images for better understanding. This will help us to investigate further and resolve this issue.
To share the log file: Open Samsung Members Application > Support> Tap on send feedback> Choose Composer> Select error report> select the appropriate issue category> Type your query and send.
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