After updating my A16 5g one ui 9 beta, my phone takes selfies using lower mega pixel (9 Mp). Please solve it to capture selfies at 13 MP.

I'm using A16 5g from last year. I am facing the network problem on this device. I switched from Airtel to Jio but no idea solved this problem. But the other hand A35 5g in my family has no network issue on Jio. The signal Bar is okay. Youtube can't...