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Application package name com.harish signatures do not match the previously installed version; ignoring!

My app was there in playstore with version 1.0, now I need to update the app with version 1.1. When I did migration like this, its failing and giving below error.

Step1: Freshly install the app from playstore.

Step 2: Generated the Apk with release mode and kept in device.

Step 3: When tap on apk its ask install after that its show app not installed and gave below error

Package com.harish signatures do not match the previously installed version; ignoring!

I'm signing the apk with same signature. I have verified the apk certificates, both are same.

Verifying the certs like this How do I find out which keystore was used to sign an app?

Straging thing was when I'm upload the apk into play store, its uploaded successfully!!! and I'm able to update the app from playstore.

Then why i'm getting this error

Abhinav Gupta
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Harish
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2 Answers2

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I think 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 machine will have a different debug certificate unless you specify how it should be signed. check google documentation for it

In order to proceed with the installation, you must uninstall the existing version and then try again

Jithin Vijayan
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  • Same apk only i have uploaded the google playstore successfully, from there app is getting updated. if is there any keystore/signing issue it won't allow us right. – Harish Mar 06 '18 at 09:39
  • Uninstall previously installed app from device and then you check any app related data remaining on your device. If existing remove app data completely and try to install the new app. – Jithin Vijayan Mar 07 '18 at 11:28
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Thank you Selvin , someone enable google play app signing in my google playstore account , because of that its failing local migration

Harish
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  • Hi! I have exactly the same trouble as you! Could you tell me how did you solve it? – Vladyslav Khromykh Sep 16 '18 at 22:01
  • i am also facing the same kind of issue, not able to install the release build created from android studio on top of playstore build unless uninstalled. – Samrat Feb 25 '20 at 19:11