Xiaomi sub-brand Redmi unveiled the K20 series back in May, and today the company announced that it will follow it up with the K30 series on December 10. This information comes to us through Redmi VP and General Manager Lu Weibing, who took to Weibo to make the announcement. The K30 series will support dual-mode 5G, which is a first for Redmi smartphones. Weibing's post also includes a poster that reveals the K30 will sport a display surrounded by slim bezels on three sides and an oval-shaped hole in the upper-right corner for the dual selfie camera, which is another first for the...