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I made a new app that supposed to replace the old one , here's what I did :

  • Used the same package name

  • Increased versionCode

  • Used the same Key(JKS file)

I tried the Key in all 3 variations ( V1\V2\V1+V2 )

and still it's giving me

App Not Installed

Any ideas what am I missing ?

yanivtwin
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  • Have you checked these solutions https://stackoverflow.com/questions/4226132/app-not-installed-error-on-android? – ADM Jan 31 '19 at 08:21
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    try using adb install , it will give better error results. Like what is the problem. – nkalra0123 Jan 31 '19 at 08:24
  • @nkalra0123 the Error is [INSTALL_FAILED_ALREADY_EXISTS: Attempt to re-install my.packge without first uninstalling.] – yanivtwin Jan 31 '19 at 08:45
  • @ADM I have checked it wasn't relevent to this case – yanivtwin Jan 31 '19 at 08:45
  • @nkalra0123 help did it , found out the old one was debug mode that's why it didn't work , it also important to notice that the V1\V2 didn't matter – yanivtwin Jan 31 '19 at 08:53

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