This is the small floating navigation round key in Huawei mobile phones. Please open the phone settings → system → system navigation mode to enter the page, select the third floating navigation below, and then click on the right to close the small circle to disappear. !

Huawei mobile phones are part of Huawei’s consumer business. As one of Huawei’s three core businesses, Huawei’s consumer business began at the end of 2003. After more than ten years of development, it has developed in China, Russia, Germany, Sweden, 16 R&D centers have been established in India and the United States.

On July 31, 2018, preliminary data released by the Chinese market analysis organization International Data Corporation showed that in the second quarter of 2018, Huawei's shipments surpassed IPHONE and ranked second in the world. On July 17, 2019, on the official website of the China Quality Certification Center (3C certification), eight 5G mobile phones obtained 3C certification, including four mobile phones including Huawei Mate 20X 5G and Huawei Mate X 5G. As of October 22, Huawei’s mobile phone shipments in 2019 have exceeded 200 million units. On March 31, 2020, Huawei released its annual report showing that Huawei’s smartphone shipments (including Honor) reached 240 million units in 2019, a year-on-year increase of approximately 16.5%, making it the world’s second largest mobile phone manufacturer.