In my android project I has old version of my sign apk. Also I has new version of my sign apk. I need to check that old version and new version of apk was signed by same key. How I can do this?
P.S. Only old version was published in playstore
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have you published the app in playstore?? – Aslam Aug 26 '19 at 09:52
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Possible duplicate of [How do I find out which keystore was used to sign an app?](https://stackoverflow.com/questions/11331469/how-do-i-find-out-which-keystore-was-used-to-sign-an-app) – feridok Aug 26 '19 at 09:52
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Only old version was published in playstore – a_subscriber Aug 26 '19 at 09:52
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1Install old apk and try to install new apk. If sign keys are the same you can upgrade app. otherwise you cant install new apk. – feridok Aug 26 '19 at 09:53
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I try this: "adb install -r my_app.apk", but get error:Failure [INSTALL_FAILED_UPDATE_INCOMPATIBLE] – a_subscriber Aug 26 '19 at 09:56