Group 1 - The core issue revolves around the significant price difference between different versions of the REDMI K90 smartphone, which has led to customer disappointment [1][3]. - The initial pricing for the K90 standard version was set at 2599 yuan, while the K90 Pro Max started at 3999 yuan, with various configurations leading to a price gap of 600 yuan between the 12GB+256GB and 12GB+512GB versions [6]. - In response to customer feedback, the company decided to reduce the price of the 12GB+512GB version by 300 yuan to 2899 yuan during the first month of sales, acknowledging the impact of rising storage costs on pricing [3][6]. Group 2 - The company attributes the pricing challenges to increased costs from the global supply chain, particularly in memory storage, which has risen more than expected and is anticipated to continue [3][6]. - The REDMI brand is positioned as a high-cost-performance independent sub-brand under Xiaomi, targeting consumers looking for value [6].