Samsung Galaxy S21 series users report green line issue on screens after recent update.

Samsung Galaxy S21 series users have reported a green line appearing on their phone screens following a recent update, with the issue primarily impacting the Galaxy S21 Ultra and S21 FE. The green line issue may be caused by a faulty flux cable connection or increased heat generation from the update affecting the phone's circuitry and loosening display components. Samsung has not yet commented on the situation.