Didn't clean up the mobile phone garbage. Vivo brand products include smart phones, tablets and smart watches. By August 2022, it has been stationed in more than 60 countries and regions, with more than 400 million users worldwide, and its research and development covers Shenzhen, Dongguan (headquarters), Beijing, Shanghai, Nanjing, Hangzhou and Xi 'an. However, the internal browser of vivo mobile phone takes up more and more memory because it doesn't clean up the garbage of mobile browser regularly, which leads to more and more memory occupation.