Corrupted device

[Josh Thomas4]

Stuck on screen that says "your device is corrupt and can't be trusted. Will not boot" can anyone help pls oneplus nord n200 5g. I was trying to download a app apk file the apk downloaded then I went to install it said error trouble parsing file phone shutdown then went to the screen specified above

 

[mustang7757]

Hi, welcome to AC!

I would check XDA forums see maybe can flash the firmware to make this go away