Samsung Precedent M828
Samsung Galaxy Rush M830 hard resetReset you Samsung Galaxy Rush M830 Your device freezes or has fatal errors
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 10-15 seconds. The device will reboot automatically.
If this does not solve the problem, perform a factory data reset. In Idle mode, open the application list and select
Settings → Back up and reset→ Factory data reset → Reset device→ Delete all.
Important!: Back up your important data before you perform a factory reset of the device.
While using your device, be sure to back up important data. When disposing of your device, back up all data and then reset your device to prevent misuse of your personal information.
Use this method to hard reset your Samsung Galaxy Rush M830: Enter *2767*3855#. Warning! All your data including contacts, messages etc. will be lost! Copy all your necessary data/Contacts/Messages etc. to SIM or make backup to your PC before full reset! Take out SIM card before full reset.
Note: If the device is ever reset to its factory default parameters, locally stored contacts can be lost.