Samsung ATIV Odyssey I930 hard resetResetting Windows Phone 8 RT mobile phone, reset samsung Odyssey for Verizon Wireless
If your device freezes or hangs, you may need to close programs or reset the device to regain functionality. If your
device is frozen and unresponsive, press and hold the Power key for 11-13 seconds. The device will power off forcefully.
If this does not solve the problem, perform a factory data reset. In Menu mode, select Settings → system → about →reset your phone → yes → yes.