Samsung j7+ Hard Rest

Switch off the phone. 
 
Press and Hold Volume up key+ Power key + Home key of the Phone.
 
That time Android Recovery Menu in the Screen release Keys.
 
Wipe data /Factory reset using the volume down key and press power key.
 
Next see Yes/delete all data and press power key
 
Data will be Delete.
 
Now hard reset is done Select reboot the phone