Once you download an update, their is dialog shown which has the following infos :
[Description] The phone needs to restart to install the system update.
[Button] Install & Restart
The button text should be "Restart & Install" to match the description and real update installation process which means the update is installed after the restart not before.
Once you download an update, their is dialog shown which has the following infos :
[Description] The phone needs to restart to install the system update.
[Button] Install & Restart
The button text should be "Restart & Install" to match the description and real update installation process which means the update is installed after the restart not before.