Signature conflict, inconsistent with the signature of the old version ",there are residues when uninstalling the software. According to the relevant information of the query vivo, due to the signature conflict, the signature is always displayed when downloading and installing things in vivo, which is inconsistent with the signature of the old version. "There are residues when uninstalling the software. Vivo brand products include smart phones, tablets and smart watches. [104]. As of 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. 20 1 1 year1/month vivo released its first smartphone; 2065438+In March 2009, vivo released its sub-brand iQOO, promoting the concept of "born strong and brave in exploration".