Android Question Failure [INSTALL_FAILED_OLDER_SDK]

rtek1000 said:

in order to be able to make use of old equipment

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I think you are mixing things. You can use the last version of B4A, and still make an app for an old device (android phone).

This means that an app with targetSdkVersion set to 14 (Android 4.0) will run properly on an Android 8.0 device and it will not be required to request runtime permissions, nor handle any other breaking change.

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If you're talking about that phrase in the android.jar / targetSdkVersion / minSdkVersion tutorial, it doesn't mean 14 is the minimum version, you can set it even lower.