Xiaomi 13 Ultra is set to debut on April 18. Ahead of the official launch, the company has confirmed some key details about its top-of-the-line, flagship smartphone. The Xiaomi 13 Ultra was recently confirmed to feature Leica-tuned camera sensors located on the rear panel of the handset. The company recently confirmed that its upcoming flagship smartphone will feature a quad-camera setup. Xiaomi has now revealed the design of the upcoming…