Group 1 - The article discusses issues related to Apple's Trade In program in China, highlighting consumer complaints about the program's execution and transparency [1][2][8] - A specific case is mentioned where a consumer attempted to trade in an iPhone 14 Pro for a discount of 2900 RMB on a new iPhone 17 Pro Max, but Apple later claimed the device had "external repairs," resulting in a discount of 0 RMB [1][6][12] - The article points out that the definition of "external repairs" in Apple's terms is vague, leading to accusations of violating consumer rights and unfair business practices [8][12][16] Group 2 - Multiple consumers have reported similar experiences, indicating that this issue is not isolated, with many claiming their devices were also denied trade-in value without clear justification [12][13][16] - There are discussions in the comments section suggesting that consumers may have the option to request the return of their devices if they disagree with the trade-in terms, although some users report that their devices were not returned [9][10][12] - The article notes a perception of double standards in Apple's treatment of Chinese consumers compared to those in Western markets, raising concerns about corporate ethics [1][8]