Core Viewpoint - The article addresses the recent inquiries regarding the absence of the "LEICA" watermark in the Leica collaboration models, explaining that all branding styles and usage standards must adhere to strict guidelines set by Leica [1]. Group 1 - The product manager from Xiaomi's camera department clarified that the "LEICA" branding must follow global usage standards, and Xiaomi is working with Leica to continuously update visual standards [1]. - Specific examples include the Xiaomi 15 Ultra's limited watermark and the street photography special edition, which comply with Leica's latest standards [1]. - The article also mentions an upgrade in shutter sound effects for the Xiaomi 15 Ultra, which will be made available to all Leica Xiaomi collaboration models during their maintenance period [1].