However, most Android phones typically deny installations of third-party apps - thus in order to enable the installation, please visit the submenu"Security" in the "Settings" menu, select "Device management". In the menu that opens, enable the sub-entry "Unknown origin". After installation, you can reset this entry for safety reasons.
Amadeus Nachhilfe Odelzhausen
Friedrich Finze Amadé Verlag München
D - 85235 Odelzhausen, Germany
Christian Friedrich Finze
Landline: 08134 216 8864
Our terms and conditions can be found on the main page of the publishing house. Click HERE.