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Signature Error on Install app-release.apk

Discussion in 'Android Development' started by ac4android, Aug 2, 2017.

  1. ac4android

    ac4android Well-Known Member
    Thread Starter

    I want to re-install version 1 of an app after some minor modifications.
    The original app-release.apk installed nicely with the .keystore that I generated for it.
    I took note of the password, the key-password and the alias
    After the modifications, I recompiled but left it at version1.
    Using the same .keystore, password, key-password and key alias, I generated the app-release.apk
    I tried to install the new .apk but got a "signature error"

    QUESTION: how do I re-install the new .apk and why do I get a signature error?

    AppInstallFAILED.JPG
     



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  2. Deleted User

    Deleted User Guest

    Well that's a strange error, but I'm pretty sure you're not allowed to re-release an APK with the same version number. It's got to be increased.
     
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