Mostly you’ll find most of the phone repair operations or re-factory settings are often one and the one way to most of the old phones at Samsung, we are here only refer to the Samsung company and not to the corporate phones and other for more emphasis on what we offer good information.
How to Hard Reset Samsung X490
Reset Via Master key
Start by turning your device on, to do it press Power button.
Then dialling screen of your device type this code in dialer: *2767*3855#
Next on confirm whole Factory reset process by tapping Call key again.
Now your phone should reboot.