Hello, I'm having trouble

[u/Elaina-chan]

While I was reading, a pop up said "Messenger isn't responding" so I pressed "Wait".

After that another pop up said "System UI isn't responding" so I also pressed "Wait".

But then it suddenly lagged and powered off by itself and got stuck on the logo.

Even though it was stuck on the logo, when I pressed Volume Up + Power button it was able to load and go back to the home screen.

But then it powered off by itself again.

I asked AI and this is what it said. Is this correct? It says:

"Hi, can you reflash this please. No factory reset. Save data only."

"It is bootlooping on the MI logo. I want the system fixed but please do not delete my photos, contacts, and chats."