pink line in samsung s23 how to fix it visible in yesterday please help

I recently updated my phone I've seen lag and heat after updating. There is a network problem and then Recently just updated his phone to OTA last month. Then I got to see lag and heat today. I am sharing my screen recordings with you. Please fix it ...

Today I noticed that after updating to One Ui 7, the battery is not giving much backup. I am running games and applications without any interruption. The device is getting heated up if I use it a lot. Please fix it quickly.

After Update One Ui 7 Not Game Open Like BGMI game also open but suddenly fully black all screenPlease fix it and help me

Couldn't create Secure Folder Unauthorised software is installed. Secure Folder can't be used on this phone.