I created an unsigned APK file from my eclipse project to demo my app on another device. It runs fine on the emulator and on a connected phone.
When I emailed it and downloaded the apk file ( I have allow apps from unknown locations ticked on ) but the install fails with message. "Installation failed" and not much more info.
Any ideas what I can check?
Android – Unsigned Android apk file won’t install
androidapk
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Best Answer
Make sure that the o.s. version of phone on which you trying to install the app is meet the minSdkVersion that you declared in your manifest file. Or if that app is already installed then unistall that and install again. May be it works.