Will Samsung Note 9 get one UI 2.5 with wireless DEX update ?

Using Samsung wireless power bank, I'm able to charge only 90% of my note 9 using wireless less pad leaving on charge all night 5 to 6 hrs, is it a defect ?Note : if i remove and place it back again on wireless power bank again the phone charges full...

Will Samsung Note 9 get any security patch update ?Last update seen in March