how to reset galaxy rugby
if your samsung galaxy rugby device is frozen or you want to erase all personal data before sell it or give it to others as gift. Trouble shooting your device by holding the Power key for 8-10 seconds and the reboot your device, check if this solve your device frozen issues.
perform a factory data reset and erase all personal data including installed 3rd party Apps.
From galaxy Rugby Home Screen, Press “APPS” button and then tap “Menu” for settings
Settings → Privacy → Factory data reset → Reset phone→ Erase everything.
Please note that, this Factory data reset will permanently delete all data from the your galaxy Rugby.