I haven't got these issues till last week (Did a software update and changed my battery in official samsung repair office). It sometimes says "System ui not responding" and ask me to eighter wait or close the app. How can I fix this? Or does normal s...

I tried to change it since I'm no longer living in the country I bought my phone (Turkey). I couldnt use Samsung pay in Turkey and I realised it might be the "country of region" issue since you cant use any pay apps in Turkey. How can I change it?

Is is common to have this oberheating notifications that says "I will shut down this app in 20 seconds". Im usin goodle duo, no tabs open but there is this problem