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D712/710 User Manual Troubleshooting
Troubleshooting
Reboot
In user mode
1. Press
Settin
.
2. Press 4 Maintenance.
3. Press 2 Reboot.
4. When asked whether to "Reboot?", press
.
5. Wait for the idle screen to reappear.
In administrator mode
1. Press
Settin
.
2. Press 5 Maintenance.
3. Press 2 Reboot.
4. When asked whether to "Reboot?", press
.
5. Wait for the idle screen to reappear.
Hard reboot
Disconnect the power, wait for a few seconds, and reconnect. Wait for the idle screen to reappear.
Warning: Never disconnect the power during a firmware update!
Reset to factory values
The phone can be reset to factory values in admin mode only. Please note: All customized settings
will be lost!
1. Press
Settin
.
2. Press 5 Maintenance.
3. Press 3 Reset values.
4. Enter the administrator password and press
.
5. Wait for the idle screen to reappear.
6. See "Initializing and registering the phone" on page 74 to continue.