I'm using my old Samsung S7 to test apps (that I develop) on Android 8.0.0 (Oreo).
But every time I come back to my phone the below screen (Program Update) appears and the phone wants to do an system update of Android to a newer version.
How can I remove the downloaded system update from my Samsung S7?
And how can I stop my Samsung S7 from wanting to update Android in the future?


