Installation failed with message INSTALL_FAILED_UPDATE_INCOMPATIBLE: Package com.datab.cn signatures

Posted 彬sir哥

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android的运行apk出现提示框，如下图
                
                
                
                
                
                
在这里插入图片描述
                
                
                
                
                
                
解决该在哪，可以发现：
在这里插入图片描述
就是说安装失败

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