How to force android to install app on internal memory

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http://stackoverflow.com – I've an app that i download from private server, it installs ok on most phones but i'm having problems installing it on a HTC Desire C. The phone has no sdcard present. I've searched around and found a manifest setting that should hint at internal storage or say that there is at least no preference to where the app is installed. <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.carefreegroup" android:versionCode="1" android:versionName="1.0" android:installLocation="auto" > This does not work however. How can i tell android that the app (HowTos)