Package signatures do not match the previously installed version

Question

This my project  https   github com kenpeter my hak news  which is a direct copy of https   github com grigio HAgnostic-News   Git clone https   github com kenpeter my hak news  then run react-native run-android  Got this error     What went wrong  Execution failed for task   app installDebug    gt  com android builder testing api DeviceException  com android ddmlib InstallException  Failed to finalize session   INSTALL FAILED UPDATE INCOMPATIBLE  Package com hagnosticnews signatures do not match the previously installed version  ignoring    Relevant issue  https   github com grigio HAgnostic-News issues 1  I follow various ways  but not able to resolve this issue

User · Answer

I had this issue on a Samsung device  Uninstalling the app gave the same message  The problem was that the app was also installed in the phone s  Secure Folder  area  Worth checking if this is your scenario

User · Answer

com android builder testing api DeviceException  com android ddmlib InstallException  Failed to finalize session   INSTALL FAILED UPDATE INCOMPATIBLE  Package  MY REACT NATIVE APP NAME HERE  signatures do not match the previously installed version  ignoring    I got this error when trying to install my React Native Android app on a connected device using this command   react-native run-android --variant release   I also had an emulator running on my computer    Once I quit the emulator  running this command succeeded

User · Answer

This happens mostly when the phone has the app s version from Google Play Store installed  You can either built the code with the same keystore certificate you used for your production version  or just uninstall it from the phone and build it with your debug keystore certificate

User · Answer

This happened to me in a React Native project when I was renaming an app s bundle ID  and it clashed with another bundle ID that I d already used before  I fixed it by performing a re-install    Find the app on the simulator s home screen  then long-press on its app icon  and press App info  then choose  UNINSTALL   Execute react-native run android

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I got the same error  I uninstalled the app on my virtual device and rerun the command   react-native run-android

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I met this problem on my project too   This helped me  so hopefuly will help someone else   adb uninstall  com domain yourapp    Solution is from here

User · Answer

You need to uninstall it because you are using a different signature than the original  If it is not working it might be because it is still installed for another user on the device  To completely uninstall  go to Settings -  Apps -   specific app -  Options  the three dots on top right  -  Uninstall for all users   I am also got this issue that time already installed ionic app same package name  remove from my phone after that working perfectly

User · Answer

If the version of the app that you have installed was not built with the same keystore signing certificate it will have a different signature  By default each build machine will have a different debug certificate unless you specify how it should be signed according to the google documentation  which can be used to ensure that your app will be build with the same debug key regardless of which computer you build the application on   In order to proceed with the installation you must uninstall the existing version and then try again

User · Answer

In my case the issue was I had installed an app with the package name let s say com example package using android studio on my device  I created another app with the same package name and was trying to install it on my device  That is what was causing the problem  So just check on your device whether another app with the same package name already exists or not

User · Answer

you need uninstall completely for LG devices by using cmd adb uninstall packageName

User · Answer

This occurs due to the availability of the previous version of the Application  that is not installed on the device but its data is present in the device memory  So it fails to upgrade this uninstalled application data on the device  Try this    Go to Device Settings     Apps All Apps      search your App OR search for  client      In App info screen   press the triple dots option on top right corner     select  Uninstall for All Users      a promt appears select  OK   It works for me every time this error occurs

User · Answer

You need to uninstall it because you are using a different signature than the original  If it is not working it might be because it is still installed for another user on the device  To completely uninstall  go to Settings -  Apps -  HAgnostic News -  Options  the three dots on top right  -  Uninstall for all users

User · Answer

This happens when you have installed app with diffrent versions on your mobile emulator phone   Simply uninstall existing app will solve the problem

User · Answer

In my case  uninstall installed application in connected device resolved my problem

User · Answer

Only 1 emulator or device may be open at a time  Make sure you don t have multiple emulators running

User · Answer

I have the same problem  it was running well in AVD  but in my phone was not ok  I uninstalled the app on my phone then it s working fine

User · Answer

Go to android studio -  AVD manager -  Select your AVD and wipe user data   No need to re-install the entire AVD

User · Answer

Today  I faced the same problem on my Samsung device  In my particular case  the app was NOT showing on the phone but it was INSTALLED  so I could not uninstall remove it  Thus I had to uninstall the app using the terminal    adb uninstall  quot com domain yourapp quot  My project tree looks like this  partial view    -- com      -- gluonapplication          -- DrawerManager java          -- StartApplication java          -- views              -- PrimaryPresenter java              -- PrimaryView java              -- SecondaryPresenter java              -- SecondaryView java  So for me  the command was    adb uninstall com gluonapplication Once done  I installed the app via terminal    cd  path to apk    adb install -t myAwesomeApp apk    -t means test install  That is what worked for me  I hope this answer is helpfull

User · Answer

If you are trying to install it in an Emulator but have another phone connected to the computer via USB  detach the USB cable or disable USB debugging in the physical device   Wasted 30min on it myself

User · Answer

This error happened to me when a previous build on my simulator   phone was being uploaded with different credentials  What I had to do was run   adb uninstall com exampleappname  Once I did that I was able to rerun the build and generate an APK

[android] Package signatures do not match the previously installed version

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