Its been 1 year approx I am using xiaomi redmi 6 pro it didn't gave any problem it is working flawlessly.
Body is nice as per new generation it also have full screen option. It has good graphics for playing games. It has notch. Nice sound system. You can enjoy youtube videos with full screen system.
It have nice camera clarity.
For security note this:
Update your device’s operating system using the built-in software update feature, or visit our authorized service outlets. Updating software through other means may damage the device or result in data loss, security issues, and other risks.