What is the fine-grained topic of the following text: Indeed, on the same say the Samsung Crypto Wallet trademark was approved, another 42 trademarks from the Asian electronics manufacturer were also filed in the U.K.
With each new iteration of smartphones, such as the Samsung Galaxy and Apple’s iPhone, technical improvements become less discernible and new features less frequent. Only return the topic.
Samsung's filing of numerous trademarks in the U.K, including a Crypto Wallet, and decreased frequency of smartphone technical improvements.