Just yesterday, Xiaomi's sub-brand, Redmi, teased its upcoming smartphone with 64MP camera boasting superior resolution to anything we've seen on a smartphone so far. Today, another teaser showed up on Weibo revealing an intriguing detail about the camera. According to the Weibo post, the 64MP sensor will be able to output images with unrivaled resolution and are going to be up to 20MB big. That's a lot of information. The current 48MP sensors can go up to 16MB in our experience so another 4MB increase per image might not sound a lot, but it's a considerable increase in size. Still,...