a customer SmartVision phone is not working as expected. A common troubleshooting step would be to use one of the reset methods to fix the problem.
Dial *#111# to conduct a blind user settings reset, you do not need to press OK or call to start the reset process.
Please dial *#333# shortcut to carry out a full reset or use the following path in the menu system: Menu > Applications > Settings > System > Advanced> Reset. The factory reset erases all settings and customer data from the device.