Samsung Galaxy J4
If you want to delete the Google account from a Galaxy J4 either to sell your terminal, give it to a relative or friend, recycle it or if you have decided to switch to another Google account, you can do so by following the steps indicated continuation.
When delete the Google account from Galaxy J4 we deactivate the FRP (Factory Reset Protection) of the operating system Android 8.0 (Oreo), this is a protection that links the Samsung Galaxy J4 to a Google account so that when it is rebooted or blocked due to loss or theft, ask for the Google account username and password.
To delete the Google account go to the settings of your Samsung, it is the icon of the gear wheel.
We look for the section "Google" or "Accounts".
The accounts linked to this Samsung Galaxy J4 will appear, delete the desired account.
After you delete the account, you may want to reset the Galaxy J4 to its factory state and thus eliminate all data from the Samsung, to do this from "Settings" click on "System", then "Reset settings", then "Factory data reset" and finally "Delete all".
This is the method for unlink Google account from Samsung Galaxy J4 and erase all your data from the system settings.
Another more drastic method to erase the Google account in a Samsung Galaxy J4 would be doing a hard reset or factory reset. It is a drastic method because in addition to deleting the Google account it resets the Samsung to its factory state and has to re-optimize all applications which takes more time than a simple deletion of Google account.
About the device:
Samsung Galaxy J4 is a device with a dimensions of 151.7 x 77.2 x 8.1 mm (5.97 x 3.04 x 0.32 in), a weight of 175 grams, a screen size of 5.5 inches, 83.4 cm2 (~71.2% screen-to-body ratio) and a screen resolution of 720 x 1280 pixels, 16:9 ratio (~267 ppi density).
It has a processor Quad-core 1.4 GHz Cortex-A53, a graphics card Mali-T720 MP2, a RAM memory 2 GB and an internal memory of 16 GB, 2 GB RAM.
The Samsung Galaxy J4 it comes from the factory with the operating system Android 8.0 (Oreo)