When i opened my phone suddenly my mobile is stuck then i forcefully switched off, while opening it is showing only mi logo. Then i went to service center, they simply saying that change your motherboard. I sure ...

Just today, I changed this option on my classmate’s Redmi Note 8T (MIUI 11.0.11.0 PCXEUXM, Android 9) as a joke *(double notch simulation at the top and bottom)*, but it rendered the phone unusable. My best understanding is that it sends ...