User Guide

R28A/V
Admin Guide
3.8.Reboot
Go to Upgrade - Basic, users can reboot the phone.
3.9.Restore
3.9.1.Restore Default on R28
Go to Settings - System Settings - Restore Default on R28, to
restore R28.
3.9.2.Reset To Factory Setting on Website
Login to the website and go to Upgrade - Basic, to restore R28.
Figure 3.8 Reboot
Figure 3.9.2 Reset in website