If you use an Android device, you will realize the necessity to assign a primary Gmail account to use your phone for tasks such as browsing the internet, checking emails, etc.
In case you need an additional Google account, you can add it to your Android device and keep the data synchronized to the device as per your requirement. Apart from synchronizing, there is a way to change the primary Google account as well.
Not all Android device users might feel the necessity to change their primary Google account, but some might experience a need to switch the primary Google account to make their work email the primary one or any other reason.
You can get to know the steps to change the primary Google account on your Android device from here.
The primary Google account is the one that is used for all the main functionalities such as Google Now card, Google searches, voice commands, etc. Usually, switching the primary account might result in some issues in the device's functionality. For instance, Google Now might not work properly. If you get an error that Google Now is turned off for the domain, it means that your primary account has been changed.
Well, it is possible to change the primary Google account. You just have to follow a few simple steps to change the primary Google account that you used during the initial setup.
Before attempting to change your primary Google account, you need to make sure there are two or more accounts in your device. If not, you can add another Google account to your Android phone.
Once you have two or more Google accounts on your device, you can switch between them to make one your primary account as per your need. This will change your primary account all over your phone.
By changing the primary account, you can make searches and download apps on your Android device from the additional Google account instead of the primary one that you assigned with the device initially.