Error

adb install "C:\user\myproj\teet.apk" Performing Streamed Install adb: failed to install C\user\myproj\teet.apk: Failure [INSTALL_FAILED_UPDATE_INCOMPATIBLE: Package teet.apk signatures do not match previously installed version; ignoring!]

Solution

First, adb uninstall your_package, then reinstall again.