Assalamu AlaikumKal rat maine apna phone updte kia us k bad aj subah se screen ki left side1 black dot⚫️ araha hy.Kisi time ata hy aur 1,2 seconds bad ghayab ho jata hy.Kisi aur ko bhi ye issue aya hy?

I bought A56 2 days ago now i m facing an issue.Mobile networks suddenly disconnects right after a call ends. I m talking fine on a call then it end and right after that i got this sign on my network signals I m not sure if this is a network proble...