ZTE F858 - Manual (Page 80)

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3
Technical Information and Help
3.1 Troubleshooting and FAQ’s
Please check the manual thoroughly before contacting your service provider and read the
issues below:
Symptom Resolution
Enter PIN Input the correct PIN number as supplied by Telstra.
Insert USIM
Check you have inserted a valid USIM card. See Installing the
USIM Card
Enter password or
Unlock Code
Enter the unlock code. Default is 0000.
(No) key tone when
pressing keys
Check the key tone settings in your current profile. See section
1.13
No incoming ring
tone
Check the ring tone and ringing volume settings in the profile.
Check the handset is not muted (Long press the # Key)
No alarm tone Check the profile setting (silent) and the alarm ring setting
A phone number
cannot be dialled
Check whether any call restrictions are set. See Advanced Call
Settings
Short message
cannot be sent
Check the SMS centre setting in the SMS-Settings menu.
Restore Defaults