I also have been consistently clicking different kinds of photo and comparing them with older photos and the differences are drastic, the camera struggles to focus in broad daylight in portrait mode, there's no details in normal and ultra wide mode. ...
I also tried exchanging my 2 month old F62 with Mi10i or RN10proMax on Flipkart as well as Amazon but there's no option of exchanging it. Seems the phone is so bad they don't want it back.